the entrance room or passage of a building
NAmer a corridor or passage in a building
a large room for public assembly or entertainment
(the halls) music hall as a form of entertainment, or the venues used for it
the common dining room of a college or university, or a meal served there
a building used by a college or university for some special purpose
a hall of residence
the chief living room in a medieval house or castle
Brit the manor house of a landed proprietor
[Old English heall]