Simple Definition of door
: a movable piece of wood, glass, or metal that swings or slides open and shut so that people can enter or leave a room, building, vehicle, etc.
: a part of an object (such as piece of furniture or an appliance) that swings or slides open and shut
: the opening for a door : the entrance to a room or building
Full Definition of door
: as a charge against one as being responsible <laid the blame at our door>
Examples of door in a sentence
I heard a knock on the door.
Please don't block the door.
I peeked through the open door.
He stood at the door.
Origin of door
Middle English dure, dor, from Old English duru door & dor gate; akin to Old High German turi door, Latin fores, Greek thyra
First Known Use: before 12th century
DOOR Defined for Kids
Seen and Heard
What made you want to look up door? Please tell us where you read or heard it (including the quote, if possible).