Definition of mommies:
(n) :
(US, Canada, usually childish) Mother.
(adj) :
(US, Canada, rare, informal, chiefly in the superlative) Characteristic of a mother; motherly.
(v) :
(US, Canada, rare, informal) To treat someone like a mother would; to mother someone.
(n) :
(vulgar) A sexually attractive mother.
(n) :
(slang, by extension) Any sexually attractive woman.
(n) :
(Canada, US, chiefly used by young children) One's mother