A (human) female who has given birth to a baby; this person in relation to her child or children. / A human female who parents an adopted or fostered child.

(chiefly transitive) To give birth to or produce (as its female parent) a child. (Compare father.) / (transitive) To treat as a mother would be expected to treat her child; to nurture.

(euphemistic, mildly vulgar, slang) Motherfucker. / (euphemistic, colloquial) A striking example.

Alternative form of moth-er

(idiomatic, Britain) To pour out tea for others.

A pregnant woman, especially one expecting her first child. / A woman whose partner is pregnant.

(dated) One's mother. / A title given to a nun or a priestess.

simple past tense and past participle of mother

Receiving the care and attention of a mother.

Thick, like mother (film or membrane on fermented liquids); viscid.