/ Dictionary / Index P palpus: Meaning and Definition of Find definitions for: pal•pus Pronunciation: (pal'pus), [key] — pl. -pi an appendage attached to an oral part and serving as an organ of sense in insects, crustaceans, etc. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. palpitation palsa 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