Hall

noun

1. A corridor; a hallway.

   "The drinking fountain was out in the hall."

2. A meeting room.

   "The hotel had three halls for conferences, and two were in use by the convention."

3. A manor house (originally because a magistrate's court was held in the hall of his mansion).

   "The duke lived in a great hall overlooking the sea."

4. A building providing student accommodation at a university.

   "The student government hosted several social events so that students from different halls would intermingle."

5. The principal room of a secular medieval building.