ˈ ̷ ̷ ̷ ̷ˌsīd noun
( -s )
Etymology: in sense 1, from Latin matricidium, from matri- (from matr-, mater mother) + -cidium -cide (killing); in sense 2, from Latin matricida, from matri- + -cida -cide (killer) — more at mother
1. : murder of a mother by her son or daughter
2. : one that murders his mother