(anatomy) A pear-shaped organ that stores bile from the liver, until the body needs it for the digestion and absorption of fats in the duodenum.

(anatomy) An elastic, muscular sac situated in the pelvic cavity, into which urine from the kidneys is temporarily stored prior to disposal by urination. Urine enters the bladder via the ureters and exits via the urethra.

a member of an African-American religious movement with political overtones; either of the Nation of Islam or the American Muslim Mission (open to all races)

The distance between a gun and a target such that it requires minimal effort in aiming it. In particular no allowance needs to be made for effects of gravity, target movement or wind in aiming the projectile.

Horizontally (as the angle at which a projectile is launched); directly or straight (at the target). / (idiomatic) Directly; bluntly; without pretense or caution.

Gentleman Usher of the Black Rod. / An usher in the legislature of British colonies.

(Britain) The sergeant-at-arms in the House of Lords.

(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)

A black-and-white species of moth, Lymantria monacha.