/ Dictionary / Index F firkin: Meaning and Definition of Find definitions for: fir•kin Pronunciation: (fûr'kin), [key] — n. a British unit of capacity usually equal to a quarter of a barrel. a small wooden vessel or tub for butter, lard, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: firkin (Thesaurus) firing squad firm 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