the large sliding door of a barn
omitting no one; from the door of one house to that of the next
an opaque adjustable flap on a lamp fixture; used in photography to cut off light from particular areas
a swinging or sliding barrier that will close the entrance to a room or building or vehicle
the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
an outlying farm building for storing grain or animal feed and housing farm animals
(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
a structure where people live or work (usually ordered along a street or road)
