| 1. | a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves. |
| 2. | a doorway: to go through the door. |
| 3. | the building, house, etc., to which a door belongs: My friend lives two doors down the street. |
| 4. | any means of approach, admittance, or access: the doors to learning. |
| 5. | any gateway marking an entrance or exit from one place or state to another: at heaven's door. |
| 6. | lay at someone's door, to hold someone accountable for; blame; impute. |
| 7. | leave the door open, to allow the possibility of accommodation or change; be open to reconsideration: The boss rejected our idea but left the door open for discussing it again next year. |
| 8. | lie at someone's door, to be the responsibility of; be imputable to: One's mistakes often lie at one's own door. |
| 9. | show someone the door, to request or order someone to leave; dismiss: She resented his remark and showed him the door. |

"A door is what a dog is perpetually on the wrong side of." [Ogden Nash]First record of dooryard is c.1764, Amer.Eng.; doorstep is from 1810.
door
see at death's door; at one's door; back door; beat a path to someone's door; behind closed doors; close the door on; darken one's door; foot in the door; keep the wolf from the door; lay at someone's door; leave the door open; lock the barn door; next door to; open doors; open the door to; see someone out (to the door); show someone out (to the door); show someone the door.