shadow block

shadow block

A concrete masonry unit whose face is shaped so as to elicit patterns of light and dark on its surface.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Referring to Diagram IV, sew together 1 each half-blocks A and B to make Shadow Block. Make 15.
A so-called blood moon occurs during a lunar eclipse when the earth's shadow blocks the sun's light that would normally reflect back off the moon.
Real-time news from feeds are projected onto the screen and when a visitor stands between the projector and the screen, the shadow blocks the characters and the letters go up in smoke.
This time, it coincided with a lunar eclipse as the Earth's shadow blocked out most of the light that would normally bathe the moon.
While some regions received moderate showers, certain perennially rain shadow blocks still remain dry.
Lunar eclipses occur when the moon orbits behind the earth with respect to the sun, and the planet's shadow blocks light from the sun that would otherwise hit the moon.