(acting) A minor role, generally not assigned a name.

Dated form of bitmap.

(informal, euphemistic, usually in the plural) Those parts of the body not normally shown in public, particularly the nipples of women and the genitals.

(chiefly Britain, Australia) an attractive or sexy person. / (chiefly Britain, Australia) a gratifying or pleasing development or object, typically hoped-for or exciting.

A type of bit used on a bridle, which works by leverage and has shanks and a curb chain.

(intransitive) To show impatience or frustration when delayed.

(intransitive, equestrianism) To bite the bit, especially when restless. / (intransitive, idiomatic, of a person) To show impatience or frustration when delayed.

(slang, Britain, New Zealand, Australia) A secondary lover, a mistress.

(informal) a sexual partner (typically male) of a lower social class

A twist drill. / Any other style of cutter, for example a spade drill, that is rotated and fed in a similar manner as a twist drill to of cut a hole in metal, wood or other materials.