Definitions of room:

• noun:   an area within a building enclosed by walls and floor and ceiling

  Example: "The rooms were very small but they had a nice view"

• noun:   the people who are present in a room

  Example: "The whole room was cheering"

• noun:   space for movement

  Example: "Room to pass"

• noun:   opportunity for

  Example: "Room for improvement"

• verb:   live and take one's meals at or in

  Example: "She rooms in an old boarding house"

• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #16382)