den mother

n. A woman who supervises a den of Cub Scouts.

den′ moth`er

n. a woman who serves as an adult leader of a Cub Scout den. [1945–50]

Thesaurus

Noun	1.	den mother - someone who plays the role of a den mother; "he serves as den mother to all the freshmen in this dormitory"; "she's the den mother to new secretaries"supervisor - one who supervises or has charge and direction of
	2.	den mother - a woman who supervises a den of Cub Scoutschaperon, chaperone - one who accompanies and supervises a young woman or gatherings of young people