/ Dictionary / Index K kilderkin: Meaning and Definition of Find definitions for: kil•der•kin Pronunciation: (kil'dur-kin), [key] — n. a unit of capacity, usually equal to half a barrel or two firkins. an English unit of capacity, equal to 18 imperial gallons (82 liters). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kilderkin (Thesaurus) Kildare kiley Related Content Daily Word Quiz: intrepid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language