What is the meaning of room?

noun

• An area within a building enclosed by walls and floor and ceiling.
  • usage: "the rooms were very small but they had a nice view"
• Space for movement.
  • usage: "room to pass"; "make way for"; "hardly enough elbow room to turn around"
  • synonyms: way, elbow room
• Opportunity for.
  • usage: "room for improvement"
• The people who are present in a room.
  • usage: "the whole room was cheering"

verb

• Live and take one's meals at or in.
  • usage: "she rooms in an old boarding house"
  • synonyms: board