/ Dictionary / Index U underfur: Meaning and Definition of Find definitions for: un•der•fur Pronunciation: (un'dur-fûr"), [key] — n. the fine, soft, thick, hairy coat under the longer and coarser outer hair in certain animals, as seals, otters, and beavers. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: underfur (Thesaurus) underframe undergarment Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language