'Endogamy' definitions:

Definition of 'endogamy'

From: WordNet
noun
Marriage within one's own tribe or group as required by custom or law [syn: endogamy, intermarriage, inmarriage] [ant: exogamy, intermarriage]

Definition of 'Endogamy'

From: GCIDE
  • Endogamy \En*dog"a*my\, 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. [1913 Webster]