- adj. Related through one's maternal side
- matri- + lateral (Wiktionary)
“Usually the cultures where these kinship questions are a going concern - and also studied - are places where marriages are arranged i.e. matrilateral cross-cousin unions, so not just arranged, but very narrowly defined as to who can marry whom.”
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... to use these words in spoken English and reap esteem. In the SPOKEN corpus of the COCA (full corpus: 450 million words) none of these occur.
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