(obsolete, UK, thieves' cant) To open or close.

(obsolete, UK, thieves' cant) A lock. / (obsolete, UK, thieves' cant) A key, especially a master key; a lockpick.

Clipping of double-u. / (video games, Internet slang) A win.

(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).

(physics) Ability of a material to be drawn out longitudinally to a reduced section without fracture under the action of a tensile force.

(historical) A gold coin minted by various European nations. / (informal) A coin of the major denomination (dollar, euro, etc.); money in general. / (US, theater, transport, slang) A ticket.