/ Dictionary / Index L lumpfish: Meaning and Definition of Find definitions for: lump•fish Pronunciation: (lump'fish"), [key] — pl. -fish, -fish•es. any of several thick-bodied, sluggish fishes of the family Cyclopteridae, found in northern seas, having the pelvic fins modified and united into a sucking disk, esp. Cyclopterus lumpus, of the North Atlantic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lumpfish (Thesaurus) lumper lumpish Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language