<p><strong>Noun</strong></p><ul><li>a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves.</li><li>a doorway: to go through the door.</li><li>the building, house, etc., to which a door belongs.</li><li>any means of approach, admittance, or access: the doors to learning.</li><li>any gateway marking an entrance or exit from one place or state to another.</li></ul><p><strong>End of Response</strong></p>