clerestory

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun part of an interior wall rising above the adjacent roof with windows admitting light

From Middle English clerestory, from clere (“clear: light, lighted”) + story (“storey/story: level of a building”).

The organ gallery gets a strong white light from a row of long windows in the clerestory, which have not even coloured glass. — The King in Yellow, Robert W. (Robert William) Chambers
He could only tell where it was far up by the faint glimmer of the windows of the clerestory, whose sills made part of it. — At the Back of the North Wind, George MacDonald
There was no bond of connexion between them, either historic, symbolic, or doctrinal, and he could only suppose that they must have formed part of a very large series of Prophets and Apostles, which might have filled, say, all the clerestory windows of some capacious church. — Ghost Stories of an Antiquary, M. R. (Montague Rhodes) James

clearstory

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