duck

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

An aquatic bird of the family Anatidae, having a flat bill and webbed feet.

鸭

鸭子

Specifically, an adult female duck; contrasted with drake and with duckling.

The flesh of a duck used as food.

鸭

A batsman's score of zero after getting out. (Short for duck's egg.)

A playing card with the rank of two.

Ellipsis of architectural duck; a building intentionally constructed in the shape of an everyday object to which it is related.

A marble to be shot at with another marble (the shooter) in children's games.

A cairn used to mark a trail.

One of the weights used to hold a spline in place for the purpose of drawing a curve.

Synonym of lame duck (“one who cannot fulfil their contracts”).

A long-necked medical urinal for men; a bed urinal.

A faggot; a meatball made from offal.

Synonym of bitch (“a man forced or coerced into a homosexual relationship, especially in prison”).

A tightly-woven cotton or linen fabric, often used as sailcloth.

Trousers made of such material.

A term of endearment; pet; darling.

Dear, mate (informal way of addressing a friend or stranger).

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

To lower (something) into water; to thrust or plunge under liquid and suddenly withdraw.

To go under the surface of water and immediately reappear; to plunge one's head into water or other liquid.

To bow.

To evade doing something, especially something considered a responsibility.

To lower the volume of (a sound) so that other sounds in the mix can be heard more clearly.

To enter a place for a short moment.

To surreptitiously leave a rubber duck on someone's parked Jeep as an act of kindness (see Jeep ducking).