An English surname transferred from the nickname. / A surname from Irish. / A male given name transferred from the surname. / (rather rare) A female given name transferred from the surname.

Pale, pallid; wan; sallow; of a sickly hue. / Yellow, as butter or cheese. / Bleak, cold; bare, naked.

(chemistry) A form of carbon black formed by the decomposition (but not by the burning) of acetylene. It is characterized by its high degree of crystalline orientation compared with other sources of carbon black.

Chauna chavaria, a species of the small family of birds Anhimidae, found in the northern regions of Colombia and Venezuela.

Gavia arctica, a medium-sized member of the loon or diver family that breeds in Eurasia, with grey head, black throat, white underparts and chequered black-and-white mantle.

(Australia, informal, idiomatic) In an extremely isolated place, remote from populated areas; in the middle of nowhere. Typically used to refer to outback areas.

plural of Black Friday

An omnivorous slug found in Europe and the Pacific Northwest, Arion ater, not always black, despite the name.

(idiomatic) An inability to urinate in the presence of others

(philately) The world's first official postage stamp, issued in 1840 in the United Kingdom as part of postal reforms.