Hall n. : A building or room of considerable size and stateliness, used for public purposes; as, Westminster Hall, in London.

Hall n. : The chief room in a castle or manor house, and in early times the only public room, serving as the place of gathering for the lord's family with the retainers and servants, also for cooking and eating. It was often contrasted with the bower, which was the private or sleeping apartment.

Hall n. : A vestibule, entrance room, etc., in the more elaborated buildings of later times.

Hall n. : Any corridor or passage in a building.

Hall n. : A name given to many manor houses because the magistrate's court was held in the hall of his mansion; a chief mansion house.

Hall n. : A college in an English university (at Oxford, an unendowed college).

Hall n. : The apartment in which English university students dine in common; hence, the dinner itself; as, hall is at six o'clock.

Hall n. : Cleared passageway in a crowd; -- formerly an exclamation.

Example:
What are some fun Homecoming Hall Decorating ideas for high school students?

Taxonomy
Hall, hallway, free encyclopedia, salt, entrance hall, German town, front door, passage, fire, ancestors, kitchen, dining hall, informal Hall, function hall, community hall, town Hall, Solbad Hall, search.

Defination from the web:
hall. ... Others, such as Lady Margaret Hall, Oxford, commemorate respected people. Between these in age, Nassau Hall at Princeton University began as the single building of the then college. ...