A rumble seat in an automobile.

plural of mother-in-law seat

plural of megaspore mother cell

plural of mother-in-law apartment

plural of Mother Carey's goose

plural of mother-in-law's tongue

plural of Mother Carey's chicken

A children's game in which players have to gradually approach one of the players, the "mother", by asking "mother may I...", upon which the "mother" either replies positively, allowing the players to do the action, or to decline it.

(military) A type of large-yield conventional bomb, the GBU-43/B Massive Ordnance Air Blast.

Used to express alarm or anger.