Tamil Nadu[tam′əl nä′do̵̅o̅, -nä do̵̅o̅′; täm′-, tum′-]
state of S India: 50,216 sq mi (130,059 sq km); pop. 58,840,000; cap. Chennai
A state of southern India on the Bay of Bengal and the Palk Strait. A succession of kingdoms and empires ruled the region from prehistoric times until it fell under British control in the 1700s and 1800s. Chennai is the capital.