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A feud involving the members of a family or clan.
(Sociology) a feud in which the members of hostile families or clans murder each other
1. Also called blood feud. a bitter continuous hostility, esp. between families, clans, etc., lasting for many years or generations.
2. a bitter quarrel or contention; argument.v.i.
3. to engage in a feud.
[1300–50; alter. of fead, Middle English fede < Middle French fe(i)de < Germanic; compare Old High German fēhida. See foe, -th1]
[1605–15; < Medieval Latin feudum, variant of feodum. See fief]