blindstory

[ blahynd-stawr-ee, -stohr-ee ]
/ ˈblaɪndˌstɔr i, -ˌstoʊr i /

noun, plural blind·sto·ries. Architecture.

a story, or major horizontal division of a wall, having no exterior windows or other major openings.

Origin of blindstory

First recorded in 1510–20; blind + story2