Definition of "avunculate" in English

noun

1. (anthropology) The relationship between a man and his sister's children, generally her sons.

2. (anthropology) Among certain tribal peoples, for example, the Korowai, a special relationship between a man and a maternal uncle, and the mutual responsibilities between them.

adjective

1. Pertaining to a society where the avunculate is of central importance.

   • avunculate society

2. Pertaining to a marriage to one's aunt, uncle, niece or nephew.

   • avunculate marriage