a large room for gatherings or entertainment

the large room of a manor or castle

a large room or a building that various events, such as meetings, concerts, etc., are held in

a large room or building within a school or university used for assemblies, lectures, performances, or dining

United States astronomer who discovered Phobos and Deimos (the two satellites of Mars) (1829-1907)

United States explorer who led three expeditions to the Arctic (1821-1871)

United States chemist who developed an economical method of producing aluminum from bauxite (1863-1914)

United States child psychologist whose theories of child psychology strongly influenced educational psychology (1844-1924)

English writer whose novel about a lesbian relationship was banned in Britain for many years (1883-1943)