noun
experienced mother; senior mom
Refers to a mother who has more experience in parenting, often used in contexts like school or neighborhood communities where she can give advice to newer mothers.
先輩ママに子育てのコツを教えてもらった。
I got tips on child-rearing from an experienced mother.
幼稚園で先輩ママたちと話すのが楽しみだ。
I look forward to talking with the more experienced moms at kindergarten.