window board

American  

noun

1. a thin board serving as a stool of a window.

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Etymology

Origin of window board

First recorded in 1620–30

Example Sentences

When no one responded, he knocked out the front window board.

From New York Times

They leave, the boy is alone, and the sudden silence—safety from the clamor and terror of the world outside, momentary respite from persecutors—turns out to be a doubly unstable one when Juan, dislodging a window board, climbs in.

From The New Yorker

AB is the window board, C is the negative box, D is the camera adjusted to the latter, E is the enlarging screen on an easel to hold the bromide paper, and F is the reflector.

From Project Gutenberg

During the winter, while the baby is young, the sleeping room may be ventilated at night by opening a window in an adjoining room; or if the weather is not very severe, a window board may be used, or a frame on which has been tacked heavy muslin; this may be from one to two feet high and put into the window like an ordinary mosquito screen.

From Project Gutenberg

Ventilation—Window board should be in window to allow top and bottom ventilation.

From Project Gutenberg