passageway

A covered walkway, between rooms or buildings.

• The door of the twins' room opposite was open; a twenty-watt night-light threw a weak yellow glow into the passageway. David could hear the twins breathing in time with each other.

Any way for passing in, out or through something.

• The units have transverse seats, two and three astride the passageway with single or double longitudinal seats alongside the two entrance vestibules in each car.