Definitionen
1.NounThe control mechanism by which a door is latched and unlatched.
2.NounAny of various devices designed to make opening a door easier.
Any of various devices to automatically open a door in response to a sensor or signal sent from a controller.
A crowbar-like tool used by firefighters to quickly force locked doors to open.
3.NounAny of various devices to automatically open a door in response to a sensor or signal sent from a controller.
4.NounA crowbar-like tool used by firefighters to quickly force locked doors to open.
5.NounSomeone who opens doors.
6.NounAny tactic, approach, or giveaway item employed by a salesman to capture the interest of a potential customer.
7.NounA communication technique designed to encourage someone to speak openly.
8.NounSomeone or something that provides someone with opportunities that would otherwise be unavailable to them.