I. grou·per ˈgrüpə(r) noun
( plural groupers also grouper )
Etymology: Portuguese garoupa, probably of American Indian origin; akin to Galibi croupy, a species of fish
1. : any of numerous fishes of the family Serranidae especially of the genera Epinephelus and Mycteroperca that are typically solitary bottom fishes of warm seas and sometimes attain immense size — compare cabrilla , hind
2. : tripletail
3. : any of several rockfishes (family Scorpaenidae)
II. group·er noun
( -s )
Usage: usually capitalized
Etymology: Oxford Group + English -er
: a member of the Oxford Group : buchmanite
III. grouper noun
: one of a group of unrelated people who share a rented house (as at the seashore)