vault light
noun
a windowlike structure set in a pavement or the like to illuminate areas beneath, consisting of thick glass blocks set in a metal frame.
Nearby words
vaudois, vaughan, vaughan williams, vaughn, vault, vault light, vaulted, vaulting, vaulting horse, vaulty, vaunt
Also called pavement light.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019