n A body corporate, created by law or under authority of law, having a continuous existence independent of the existences of its members, and powers and liabilities distinct from those of its members.
n The municipal governing body of a borough or city.
n (historical) In Fascist Italy, a joint association of employers' and workers' representatives.
n (slang, dated, humorous) A protruding belly.
n (UK politics) Ellipsis of City of London Corporation. [The municipal governing body of the City of London, a local authority within Greater London.]