/ˈskwɪntʃ/ or /ˈskwɪntʃ/ or /skwɪntʃ/ (US) or /skwɪntʃ/ (UK)

Definitions

1. noun

a small, usually square or diamond-shaped opening, typically with a frame or hood, in the upper part of a wall, used to allow light to enter a room without being seen from outside

“The architect designed the house with a squinch in the living room to bring in more natural light.”