An American vulture species, Coragyps atratus, with black plumage. / A north African and Eurasian vulture species, Aegypius monachus.

A bird of the species Dryocopus martius in the family Picidae.

A large, black bird with a lyre-shaped tail, Lyrurus tetrix (syn. Tetrao tetrix).

A place of punitive confinement; a lockup or cell; a military guardroom.

(transitive, Internet) To redirect (network traffic, etc.) nowhere; to discard (incoming traffic).

A smooth, barely visible, and dangerously slippery film of ice, usually over a dark surface, such as rock or pavement.

A member of the RIC British irregular army group, operating against Irish republicans in the War of Independence 1920/21.

(informal, aviation) A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.

(web development) To focus on the inputs and outputs without worrying about the internal complexity.

Alternative spelling of blackjack / Caranx lugubris, a gamefish / Bidens spp., from the family of Asteraceae / (obsolete) The larva of a turnip sawfly (Athalia rosae) / (mining, mineralogy) Sphalerite.