(countable) A light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing. / (uncountable, slang) ultraviolet radiation/light

A cocktail containing vodka and a coffee-flavoured liqueur such as Kahlúa. / Used other than figuratively or idiomatically: see Black, Russian.

Pertaining to Black Russia. / Used other than figuratively or idiomatically: see Black, Russian.

(now historical) The metal lead. / Graphite, especially as used in pencils. / (countable) A graphite pencil.

A traditional house, in some parts of Scotland, having drystone walls and a turf roof.

plural of black eye

Used other than figuratively or idiomatically: see black, cat. / A fisher, North American marten that has thick brown fur (Martes pennanti).

(nautical slang) To do better than another in some respect. To one up.

The Asiatic plant, Amomum subulatum, whose pods are used as a spice in Indian cuisine. / Lanxangia tsaoko.

(plurale tantum) Royal Irish Constabulary Reserve Force, which was one of two paramilitary forces employed by the Royal Irish Constabulary from 1920 to 1921, to suppress revolution in Ireland.