Толковый словарь английского языка Oxford English Reference - mamma

1. n. (also momma) colloq. (esp. as a child's term) mother. Etymology: imit. of child's ma, ma 2. n. (pl. mammae) 1 a milk-secreting organ of female mammals. 2 a corresponding non-secretory structure in male mammals. Derivatives mammiform adj. Etymology: OE f. L