<p><strong>Noun</strong></p><ul><li>a corridor or passageway in a building.</li><li>the large entrance room of a house or building; vestibule; lobby.</li><li>a large room or building for public gatherings; auditorium: convention hall; concert hall.</li><li>a large building for residence, instruction, or other purposes, at a college or university.</li><li>a college at a university.</li><li>(in English colleges) a large room in which the members and students dine.</li><li>dinner in such a room.</li><li>British: a mansion or large residence, especially one on a large estate.</li><li>British Informal: music hall.</li><li>the chief room in a medieval castle or similar structure, used for eating, sleeping, and entertaining.</li><li>the castle, house, or similar structure of a medieval chieftain or noble.</li><li>Southeastern U.S.: Older Use: the living room or family room of a house.</li></ul>