Feud
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In feudal law. An estate in land held of a superior on condition of rendering him services. 2 Bl. Comm. 105. An inheritable right to the use and occupation of lands, held on condition of rendering services to the lord or proprietor, who himself retains the property in the lands. See Spel. Feuds, c. 1. In this sense the word is the same as "food," "feodum," "feudum," "fief," or "fee."
In Saxon and old German law. An enmity, or species of private war, existing between the family of a murdered man and the family of his slayer; a combination of the former to take vengeance upon the latter. See Deadly Feud; Faida.
— Military fends. The genuine or original feuds which were in the hands of military men, who performed military duty for their tenures.