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to measure how deep something is, especially water. to understand or discover all about something: Now that she had begun, she wanted to plumb her own childhood further. SMART Vocabulary: related words and phrases. Idioms.
Plumb definition: a small mass of lead or other heavy material, as that suspended by a line and used to measure the depth of water or to ascertain a vertical line.. See examples of PLUMB used in a sentence.
plumb in British English. (plʌm ) noun. 1. a weight, usually of lead, suspended at the end of a line and used to determine water depth or verticality. 2. the perpendicular position of a freely suspended plumb line (esp in the phrases out of plumb, off plumb) adjective also: plum. 3. (prenominal) informal, mainly US.
The meaning of PLUMB is a lead weight attached to a line and used to indicate a vertical direction. How to use plumb in a sentence. Synonym Discussion of Plumb.
n. 1. A weight on the end of a line, used to determine water depth. 2. A weight on the end of a line, used especially by masons and carpenters to establish a true vertical. adv. 1. In a vertical or perpendicular line. 2. Informal Directly; squarely: fell plumb in the middle of the puddle.
Definition of plumb verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
To plumb a body of water, you measure its depth. To plumb a house, you connect all of its pipes. To make carpentry plumb, you get it exactly vertical.
