falling door

American  

noun

1. flap door.

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Etymology

Origin of falling door

First recorded in 1745–55

Example Sentences

When inveigled into a movable cage with a falling door, he turned the instant the door fell, seized the lower edge and tried to raise it.

From Bears I Have Met—and Others by Kelly, Allen

Everybody had come running, awakened by the noise of the falling door and Mikolai's cries.

From Absolution by Viebig, Clara

Rod, seeing what was about to happen, had swept his two comrades back so that none of them chanced to be struck by the falling door.

From The Big Five Motorcycle Boys on the Battle Line Or, With the Allies in France by Marlow, Ralph

The rear of the cage was solid; the front had a falling door.

From The Adventures of Kathlyn by MacGrath, Harold

"I heard the noise of the falling door," said his father quietly.

From Warlock o' Glenwarlock by MacDonald, George