A large capital warship displacing thousands to tens of thousands of tons, heavily armoured and armed with large-caliber guns; now obsolescent and replaced by smaller vessels with guided missiles.
A guessing game played on grid paper; see Battleship (game).
A non-functional rocket stage, used for configuration and integration tests.
A natural succession of animal or plant communities in an ecosystem, especially a series of communities succeeding one another from the time a habitat is unoccupied to the point when a climax community is achieved.