(firearms, primarily of revolvers) Requiring only a trigger pull to both cock and fire.

(firearms) A trigger mechanism requiring a single pull to both cock and fire.

(slang, sexology) A dildo whose two ends are both designed for penetration.

plural of takeout double

(idiomatic, intransitive) To bend over at the waist.

A room, especially in a hotel, that is designed for two people and has two single beds (sometimes called a twin room) or one double bed.

Alternative form of double exposure

(photography) A photograph produced by exposing film or some other photosensitive surface to focused light twice, usually by opening and closing a camera shutter two times, thereby generating a picture consisting of two superimposed images.

(rare) plural of double-u

plural of double sharp