a female parent; especially, one of the human race; a woman who has borne a child.-that which has produced or nurtured anything; source of birth or origin; generatrix.-an old woman or matron.-the female superior or head of a religious house, as an abbess, etc.-hysterical passion; hysteria.-received by birth or from ancestors; native, natural; as, mother language; also acting the part, or having the place of a mother; producing others; originating.-to adopt as a son or daughter; to perform the duties of a mother to.-a film or membrane which is developed on the surface of fermented alcoholic liquids, such as vinegar, wine, etc., and acts as a means of conveying the oxygen of the air to the alcohol and other combustible principles of the liquid, thus leading to their oxidation.-to become like, or full of, mother, or thick matter, as vinegar.