plural of spool cannon

Third-person singular simple present indicative form of loose cannon

plural of loose cannon

A bone resulting from the fusion of metacarpals or metatarsals in some artiodactyls. / The metacarpal of a horse. / The metatarsal of a horse.

A device used during aircraft testing to discharge bird carcasses into airframes and engines to determine resistance to such impacts.

plural of chicken cannon

(military, slang) Any electric Gatling gun.

Military forces considered to be expendable. / (by extension) Any group of contestants that have no hope of success. / (rare) Artillery ammunition.

(idiomatic) To behave in a way such as to cause damage to one's own faction, political party, etc.

(nautical) A cannon that breaks loose from its moorings on a ship during battle or storm, which has the potential to cause serious damage to the ship and her crew.