Definition of affinal in English:

affinal

adjective

Anthropology
  • Concerning or having a family relationship by marriage.

    • ‘Nucleated villages consisted of two localised clan branches, one from each moiety, which maintained complex and enduring affinal, political, economic, and ritual relations of reciprocity of various sorts.’
    • ‘Buffaloes, preferably full-grown bulls, are involved in funerals in two ways: some are contributed by consanguineal relatives and others are lent by affinal kin or even friends.’
    • ‘Does it belong to the birth family or the affinal family?’
    • ‘Most cases illustrated here concern fine-tuning of the affinal category in such a way that it is possible to establish the necessary distinctions among classificatory in-laws, potential in-laws and actual in-laws.’
    • ‘Consanguineal relatives are considered more important than are affinal relatives.’

Origin

Mid 19th century: from Latin affinis related (see affinity)+ -al.

Pronunciation:

affinal

/əˈfʌɪn(ə)l/