D defs.my
Entry 1 sense Webster, 1913

Endogamy

· En·dog·a·my · IPA /ɛnˈdɒɡəmi/
01 n. Marriage only within the tribe; a custom restricting a man in his choice of a wife to the tribe to which he belongs; -- opposed to exogamy.
  1. 1.
    Marriage only within the tribe; a custom restricting a man in his choice of a wife to the tribe to which he belongs; -- opposed to exogamy.