the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; "he stuck his head in the doorway"
a swinging or sliding barrier that will close the entrance to a room or building or vehicle; "he knocked on the door"; "he slammed the door as he left"
a room that is entered via a door; "his office is the third door down the hall on the left"
a structure where people live or work (usually ordered along a street or road); "the office next door"; "they live two doors up the street from us"
anything providing a means of access (or escape); "we closed the door to Haitian immigrants"; "education is the door to success"
any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring
a pole carrying an overhead microphone projected over a film or tv set
a deep prolonged loud noise
a sudden happening that brings good fortune (as a sudden opportunity to make money); "the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line"
a state of economic prosperity
grow stronger; "The economy was booming"
make a deep hollow sound; "Her voice booms out the words of the song"
make a resonant sound, like artillery; "His deep voice boomed through the hall"