door opener

or door-opener

noun

1. a mechanism that automatically opens a door, as of a garage, when actuated by a radio transmitter, electric eye, or other device.
2. Informal. something that is effective in leading to opportunity or success:

   Sales experience can be a door opener for young executives.

Example Sentences

Depending on the location of your garage, even a well-functioning garage door opener can disturb sleeping babies, guests, or family members if the garage is near a bedroom.

From Popular-Science

Nowadays, nearly everything comes in a smart version, including garage door openers.

From Popular-Science

The best garage door opener should work so well that you forget it’s even there.

From Popular-Science

A garage door opener shouldn’t hesitate to lift a standard-size garage door.

From Popular-Science

Wall-mounted garage door openers are quiet and take up less space, but they’re not as strong as the other types.

From Popular-Science

There was a sort of door-opener or verger at the entrance, and I said to him: "What is the meaning of all this?"

From Project Gutenberg

But a light had broken over the crass face of the elderly door-opener.

From Project Gutenberg

His habit of entering houses for this purpose, uninvited, earned him the nickname Θυρεπανοίκτης (“Door-opener”).

From Project Gutenberg

An Austrian officer is gaudier than the door-opener of a London cafe or the porter of a Paris hotel.

From Project Gutenberg