1. expand and contract with strong regular movements: "blood vessels throb and pulsate"
▪ produce a regular throbbing sensation or sound:"through the tiled walls she could hear the music pulsating"
Word Originlate 17th century (earlier (Middle English) as pulsation): from Latin pulsat- ‘throbbed, pulsed’, from the verb pulsare, frequentative of pellere ‘to drive, beat’.