(US, slang, law enforcement) A police patrol car. / (US, slang, by extension) The police, a police officer or the clothing they wear.

Alternative form of black-and-white (of an image, a video, etc: in black, white, and perhaps shades of grey, rather than in colour)

Of art, a photograph or photography, using shades of grey/gray rather than colour/color. / Of a television or monitor, displaying images in shades of grey/gray rather than colour/color.

(idiomatic) Explicitly, in writing, clearly and without doubt or misunderstanding, without any grey areas. / (literally) Using shades of gray rather than color.

plural of black and white

plural of black and white warbler

plural of black-and-white television

A small North American bird, Mniotilta varia, that winters in Florida and Central America.

A monochrome system of transmitting and receiving television signals. / A television set that displays only monochrome images.

(UK) Any of several old English villages characterised by timbered and half-timbered houses with black oak beams and white walls.