counterlight

[ verb koun-ter-lahyt; noun koun-ter-lahyt ]
/ verb ˌkaʊn tərˈlaɪt; noun ˈkaʊn tərˌlaɪt /

verb (used with object), coun·ter·light·ed or coun·ter·lit, coun·ter·light·ing.

to light (an interior) with windows or lights on opposite sides.
to light (an object) with a window or light directly opposite.

noun

a light or window that counterlights an interior or object.
Compare crosslight.

Origin of counterlight

First recorded in 1720–30; counter- + light1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019