Third-person singular simple present indicative form of duck

plural of duck

(poker slang) A pair of twos. / (Britain, chiefly Northern England, used vocatively) Dear (used as a pet name). / (nautical) The light trousers worn by sailors in hot climates.

(intransitive) To quickly lower the head or body, often in order to prevent it from being struck by something.

(caving) A cave passage containing water with low, or no, airspace.

An aquatic bird of the family Anatidae, having a flat bill and webbed feet. / Specifically, an adult female duck; contrasted with drake and with duckling.

A tightly-woven cotton fabric used as sailcloth. / (in the plural) Trousers made of such material.

A term of endearment; pet; darling. / (Midlands) Dear, mate (informal way of addressing a friend or stranger).

present participle of duck

(uncountable) The action of the verb to duck. / (countable) An instance of ducking (a person in water, etc).