/ Dictionary / Index B blenny: Meaning and Definition of Find definitions for: blen•ny Pronunciation: (blen'ē), [key] — pl. -nies. any of several fishes of the family Blenniidae and related families, esp. of the genus Blennius, having a long, tapering body and small pelvic fins inserted before the pectoral fins. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blenny (Thesaurus) blennioid blent Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language