Tuticorin (tōˌtĭkôrĭnˈ) [key], city (1991 pop. 280,091), Tamil Nadu state, SE India. An important sea port and fishing center, it has a Fishing Technological Institute and is also famous for its pearl oysters. The nearby port at New Tuticorin is one of India's ten major ports. Tuticorin was founded c.1540 by the Portuguese, captured by the Dutch in 1658, and ceded to the British in 1825.