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matrilateral

American  
[ma-truh-lat-er-uhl, mey-] / ˌmæ trəˈlæt ər əl, ˌmeɪ- /

adjective

  1. related through the mother, as to a maternal uncle.


Other Word Forms

  • matrilaterally adverb

Etymology

Origin of matrilateral

First recorded in 1950–55; matri- + lateral