'gruper' definitions:

Definition of 'gruper'

From: GCIDE

Grouper \Group"er\, n. [Corrupted fr. Pg. garupa crupper. Cf. Garbupa.] (Zool.) (a) One of several species of valuable food fishes of the genus Epinephelus, of the family Serranid[ae], as the red grouper, or brown snapper (Epinephelus morio), and the black grouper, or warsaw (Epinephelus nigritus), both from Florida and the Gulf of Mexico. (b) The tripletail (Lobotes). (c) In California, the name is often applied to the rockfishes. [Written also groper, gruper, and trooper.] [1913 Webster]