Any of various tropical corals of the family Antipathidae.

Written or printed in black letter. / Given to the study of books in black letter; old-fashioned.

plural of black coffee

A tree, Robinia pseudoacacia, in the subfamily Faboideae of the pea family Fabaceae, native to the southeastern United States, but widely planted and naturalized elsewhere in temperate North America, Europe and Asia; considered an invasive species in some areas.

Cygnus atratus, an Australian swan whose feathers are black. / (figuratively) Something believed impossible or not to exist, of which an example is subsequently found.

A small seabird (Chlidonias niger), of the tern family (Sternidae)

plural of black locust

rain contaminated by fungi spores, soot, or other particulate matter / radioactive rain that fell on Hiroshima following the atomic bombing of 1945

A villain or bad guy in a story, especially in a Western (a film or other work of the Western genre).

A Haredi Jew; a member of an ultra-Orthodox Jewish community.