/ Dictionary / Index G grouper: Meaning and Definition of Find definitions for: group•er Pronunciation: (gr'pur), [key] — pl. -er, -ers. any of various sea basses of the family Serranidae, esp. of the genera Epinephelus and Mycteroperca, of tropical and subtropical seas. group•er Pronunciation: (gr'pur), [key] — n. a member of a group, as of tourists. a member of a group of usually young and single persons who rent and share a house or apartment, as at a summer resort. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grouper (Thesaurus) group dynamics group genitive Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language