Diameter of the bore of a firearm, typically measured between opposite lands. / The diameter of round or cylindrical body, as of a bullet, a projectile, or a column.

(pool) A form of auction in which people invest in a player's success

(inorganic chemistry) A binary compound of calcium and nitrogen, Ca₃N₂.

(cryptography) Applied number theory.

(inorganic chemistry) The hydride of calcium CaH₂ typically used as a desiccant

(slang) Synonym of Michigan bankroll

plural of California bankroll

The grass Brachiaria mutica.

(slang) Cocaine

Synonym of Indian corn (“variety of maize with different-coloured kernels”)