A bird of the family Cacatuidae with a curved beak and a zygodactyl foot. / (slang, obsolete) A lookout posted during a two-up game, when gambling was illegal.

simple past tense and past participle of vasodilate

(medicine) The use of ultrasound to produce diagnostic images of the internal organs of the body, or of a foetus. / The use of ultrasound to form images of underwater structures.

An academic discipline that deals with various theoretical, historical, and critical approaches to films and the cinema.