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   heart

   /hɑːt/

   noun

   • 1. a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation. In vertebrates there may be up to four chambers (as in humans), with two atria and two ventricles. Similar informal:ticker
   • ▪ the region of the chest above the heart: "holding hand on heart for the Pledge of Allegiance"
   • ▪ the heart regarded as the centre of a person's thoughts and emotions, especially love, compassion, or loyalty: "hardening his heart, he ignored her entreaties" Similar emotionsfeelingssentimentssoulmindbosombreastloveaffectionpassionsympathypityconcerncompassion
   • ▪ one's mood or feeling: "they had a change of heart" Similar compassionsympathyhumanityfeeling(s)fellow feelingconcern for othersbrotherly lovetender feelingstendernessempathyunderstandingkindnesskindlinessgoodwillbenevolencehumanitarianism
   • ▪ courage or enthusiasm: "they may lose heart as the work mounts up" Similar enthusiasmkeennesseagernessspiritdeterminationresolutionresolvepurposecouragebackbonespinenervestomachwillwill powerfortitudebraverystout-heartednessinformal:gutsspunkgritbottlevulgar slang:balls
   • 2. the central or innermost part of something: "right in the heart of the city" Similar centrecentral partmiddlehubcorenucleuskerneleyebosomnavelOpposite edge
   • ▪ the vital part or essence: "the heart of the matter" Similar essencequintessencecruxcorenubrootgistmeatmarrowpithsubstancesum and substanceessential partintrinsic naturekernelnucleusinformal:nitty-grittyOpposite peripherals
   • ▪ the close compact head of a cabbage or lettuce.
   • 3. a conventional representation of a heart with two equal curves meeting at a point at the bottom and a cusp at the top.
   • ▪ one of the four suits in a conventional pack of playing cards, denoted by a red heart-shaped figure.
   • ▪ a card of the suit of hearts.
   • ▪ a card game similar to whist, in which players attempt to avoid taking tricks containing a card of the suit of hearts.
   • 4. the condition of agricultural land as regards fertility: "a well-maintained farm in good heart"

   verb

   • 1. like very much; love: informal "I totally heart this song"

   Word Origin Old Englishheorte, of Germanic origin; related to Dutch hart and German Herz, from an Indo-European root shared by Latin cor, cord- and Greek kēr, kardia.

   Scrabble Points: 8

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2. People also ask

   What does heart mean?

   • Get a quick, free translation! HEART definition: 1. the organ in your chest that sends the blood around your body: 2. used to refer to a person's…. Learn more.

   HEART | English meaning - Cambridge Dictionary

   dictionary.cambridge.org/dictionary/english/heart

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   What does heart mean in a sentence?

   • Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! The meaning of HEART is a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood. How to use heart in a sentence.

   Heart Definition & Meaning - Merriam-Webster

   www.merriam-webster.com/dictionary/heart

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   What is the function of the heart in a human body?

   • Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.

   Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica

   www.britannica.com/science/heart

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   What do you mean by 'in Your Heart'?

   • 2. any analogous contractile structure in invertebrate animals. 3. the center of the total personality, esp. with reference to intuition, feeling, or emotion: In your heart you know it's true.

   Heart - definition of heart by The Free Dictionary

   www.thefreedictionary.com/heart

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   Where is the heart located in a human body?

   • For of sadness cometh death, and it overwhelmeth the strength, and the sorrow of the heart boweth down the neck. Heart definition: a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers.

   HEART Definition & Meaning - Dictionary.com

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   What is a heart in a vertebrate?

   • : a hollow muscular organ of vertebrates that expands and contracts to move blood through the arteries, veins, and capillaries : a structure in an invertebrate that serves a purpose like that of the heart of a vertebrate : something resembling a heart in shape : a playing card marked with red simplified patterns of hearts

   Heart Definition & Meaning - Merriam-Webster

   www.merriam-webster.com/dictionary/heart

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3. dictionary.cambridge.org › dictionary › englishHEART | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   Learn the meanings and usage of the word heart in English, with different senses and idioms. Find out how to say heart as an organ, an emotion, a shape, a suit, and more.

4. en.wikipedia.org › wiki › HeartHeart - Wikipedia

   en.wikipedia.org › wiki › Heart

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   The heart is a muscular organ that pumps blood through the circulatory system. Learn about its structure, chambers, valves, rhythm, and common problems such as coronary artery disease and stroke.

5. www.merriam-webster.com › dictionary › heartHeart Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › heart

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   Learn the various meanings and uses of the word heart, from the muscular organ that pumps blood to the symbol of love and emotion. See synonyms, examples, phrases, and word history of heart.

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6. Videos

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     4:02

     youtube.com

     Circulatory System Physiology (Heart) Simplified

     12 Aug 2018

     251.9K views

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     11:43

     youtube.com

     HEART | ANATOMY | PART 1 | SIMPLIFIED

     26 Jul 2020

     196.5K views

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     6:07

     youtube.com

     Structure of Human Heart | Anatomy of Heart | Biology

     26 Jul 2019

     2.9K views

   View all

7. www.dictionary.com › browse › heartHEART Definition & Meaning - Dictionary.com

   www.dictionary.com › browse › heart

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   Learn the anatomy, zoology, and symbolism of the heart, the organ of blood circulation and the center of emotion. Find out the origin, usage, and expressions of the word heart in English.

8. www.britannica.com › science › heartHeart | Structure, Function, Diagram, Anatomy, & Facts ...

   www.britannica.com › science › heart

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   2 days ago · Learn about the heart, a muscular organ that pumps blood through the body and lungs. Find out how the heart is structured, how it works, and what can go wrong with it.

   • Author: The Editors of Encyclopaedia Britannica

   • In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the mu...
   • The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
   • The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
   • The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...

9. dictionary.cambridge.org › us › dictionaryHEART | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   Learn the meaning of heart as an organ, an emotion, a shape, a suit of cards, and more. See how to use heart in sentences and idioms with examples from the Cambridge Dictionary.

10. www.thefreedictionary.com › heartHeart - definition of heart by The Free Dictionary

    www.thefreedictionary.com › heart

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    Learn the anatomical, emotional, and figurative meanings of the word heart, as well as its common idioms and expressions. Find synonyms, related terms, and translations of heart in different languages.