/ Dictionary / Index S sweeper: Meaning and Definition of Find definitions for: sweep•er Pronunciation: (swē'pur), [key] — n. a person or thing that sweeps. See a janitor. any of several fishes of the family Pempherididae, of tropical and warm, temperate seas, having an oblong, compressed body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sweeper (Thesaurus) sweep check sweep hand Related Content Daily Word Quiz: veto Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language