doorA. railsB. stilesC. muntinsdoor (dôr)n.1. a. A movable structure used to close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates.b. A similar part on a piece of furniture or a vehicle.2. A doorway.3. The room or building to which a door belongs: They live three doors down the hall.4. A means of approach or access: looking for the door to success.tr.v. doored, door·ing, doors 1. Slang To strike (a passing bicyclist, for example) by suddenly opening a vehicular door.2. To serve as a doorman or doorwoman of (a nightclub, for example).Idioms: at (someone’s) door As a charge holding someone responsible: You shouldn’t lay the blame for the fiasco at her door. close/shut the door on To refuse to allow for the possibility of: The secretary of state closed the door on future negotiations. leave the door open To allow for the possibility of: Let’s leave the door open for future stylistic changes. show (someone) the door Informal 1. To eject (someone) from the premises.2. To terminate the employment of; fire.[Middle English dor, from Old English duru, dor; see dhwer- in Indo-European roots.]door?less adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.door (d??) n1. a. a hinged or sliding panel for closing the entrance to a room, cupboard, etcb. (in combination): doorbell; doorknob. 2. (Architecture) a doorway or entrance to a room or building3. early doors informal esp sport Brit at an early stage 4. lay at someone’s door to lay (the blame or responsibility) on someone5. out of doors in or into the open air6. show someone the door to order someone to leave[Old English duru; related to Old Frisian dure, Old Norse dyrr, Old High German turi, Latin for?s, Greek thura]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014door (d?r, do?r) n. 1. a movable, usu. solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves. 2. a doorway. 3. a building, house, or the like as represented by its entrance: two doors up the street. 4. any means of access: the door to learning. Idioms: 1. lay at someone’s door, to hold someone accountable for. 2. lie at someone’s door, to be the responsibility of; be imputable to. 3. show someone the door, to order someone to leave. [before 900; Old English duru door, dor gate; akin to Old High German turi, Old Norse dyrr, Greek thýra, Latin foris] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.