(slang, derogatory) A rude, obnoxious, or annoying person.

A large cannon; specifically, the large 15th cannon at Edinburgh Castle (more usually called ‘Mons Meg’), or the cannon used to defend Londonderry during the siege of 1688-9.

A district of Huai'an, in central Jiangsu, in eastern China.

(pharmacology) Alternative form of daunorubicin.