American English

Definition of matrilineal adjective from the Oxford Advanced American Dictionary

 

matrilineal

 adjective
adjective
NAmE//ˌmætrəˈlɪniəl//
 
(technology)
 
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used to describe the relationship between mother and children that continues in a family with each generation, or something that is based on this relationship She traced her family history by matrilineal descent (= starting with her mother, her mother's mother, etc.). compare patrilineal
See the Oxford Advanced Learner's Dictionary entry: matrilineal