(informal) mother-in-law

A woman with school-age children, most likely girls, especially one who spends time transporting them between after-school activities. / A mother who teaches ballet or is a ballet dancer.

(Canada) A soccer mom. / (literally) The mother of an ice hockey player, particularly a mother who is actively involved with their child's participation in the sport.

plural of mom and pop

(slang, neologism) A body type characteristic of a recent mother.

(Canada, US, informal) A mother who drinks alcohol to relieve the stress associated with parenting.

(business, Canada, US) A method of asking open-ended questions to consumers about a product or business idea, in order to gain honest feedback.

(informal, Canada, US) A househusband who looks after his children.

(US, symbolically) Wholesomeness and traditional (American) values. / (politics, US) Something that cannot be questioned because it appeals to universally-held beliefs or values.

plural of waitress mom