door opener

1. The control mechanism by which a door is latched and unlatched.

2. Any of various devices designed to make opening a door easier.

3. Any 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.

4. A crowbar-like tool used by firefighters to quickly force locked doors to open.

5. Someone who opens doors.

6. Any tactic, approach, or giveaway item employed by a salesman to capture the interest of a potential customer.

7. A communication technique designed to encourage someone to speak openly.

8. Someone or something that provides someone with opportunities that would otherwise be unavailable to them.

1. Ziri replaced the garage door opener.

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