/ Dictionary / Index M musteline: Meaning and Definition of Find definitions for: mus•te•line Pronunciation: (mus'tl-īn", -in), [key] — adj. belonging or pertaining to the family Mustelidae, including the martens, skunks, minks, weasels, badgers, and otters. resembling a weasel. tawny or brown, like a weasel in summer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: musteline (Thesaurus) mustelid muster Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language