endogamy

Definition of Endogamy in English :

marriage within one's own tribe or group as required by custom or law

WordNet Lexical Database for English. Princeton University. 2010.

Endogamy

noun

1. anthropology

marriage within one's own tribe or similar unit

Compare exogamy (sense 1)

2.

pollination between two flowers on the same plant

noun

1.

the custom of marrying only within one's own group, as a clan, tribe, etc.; inbreeding

n.

1. Anthropology The custom of marrying within a particular social or cultural group in accordance with custom or law.

2. Biology Reproduction by the fusion of gametes of similar ancestry, as in self-pollination or inbreeding.