/ Dictionary / Index P palpitation: Meaning and Definition of Find definitions for: pal•pi•ta•tion Pronunciation: (pal"pi-tā'shun), [key] — n. the act of palpitating. an unusually or abnormally rapid or violent beating of the heart. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: palpitation (Thesaurus) palpitate palpus Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language