/ Dictionary / Index H Hatfield-McCoy Feud: Meaning and Definition of Find definitions for: Hat'field-Mc•Coy' Feud' Pronunciation: (hat'fēld"mu-koi'), [key] — U.S. Hist. U.S. Hist. a blood feud between two mountain clans on the West Virginia–Kentucky border, the Hatfields of West Virginia and the McCoys of Kentucky, that grew out of their being on opposite sides during the Civil War and was especially violent during 1880–90. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Hatfield hath Related Content Daily Word Quiz: feral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language