a swinging or sliding barrier that will close the entrance to a room or building or vehicle | a pistol with a revolving cylinder (usually having six chambers for bullets) |
the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close | a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings |
a room that is entered via a door | |
a structure where people live or work (usually ordered along a street or road) | |
anything providing a means of access (or escape) | |