D defs.my
Entry 1 sense Webster, 1913

Exogamy

· Ex·og·a·my · IPA /ɛksˈɑ.ɡə.mi/
01 n. The custom, or tribal law, which prohibits marriage between members of the same tribe; marriage outside of the tribe; -- opposed to endogamy.
  1. 1.
    The custom, or tribal law, which prohibits marriage between members of the same tribe; marriage outside of the tribe; -- opposed to endogamy.