mindexmatrilateral./ma-truh-lat-er-uhl, mey-/US // ˌmæ trəˈlæt ər əl, ˌmeɪ- //母边,母体,母体侧,母婴Definitionsadj.adjective · 形容词1.›related through the mother, as to a maternal uncle.Level 4More words in m →