any blennioid fish of the family Blenniidae of coastal waters, esp of the genus Blennius, having a tapering scaleless body, a long dorsal fin, and long raylike pelvic fins
2.
any of various related fishes
Word origin
C18: from Latin blennius, from Greek blennos slime; from the mucus that coats its body
blenny in American English
(ˈblɛni)
nounWord forms: pluralˈblennies or ˈblenny
any of various small marine percoid fishes (esp. family Blenniidae) with a long, many-rayed dorsal fin and a taperingbody covered with slime