Capital of New Haven county, Connecticut, and chief city and seaport of the State, at the head of New Haven Bay, 4 m. from Long Island Sound, and 73 m. NE. of New York; is a finely built city, and, since 1718, has been the seat of Yale College; is an important manufacturing centre, producing rifles, iron-ware of all kinds, carriages, clocks, &c., was up till 1873 joint capital of the State with Harford.