'Clearstory' definitions:

Definition of 'clearstory'

(from WordNet)
noun
Part of an interior wall rising above the adjacent roof with windows admitting light [syn: clerestory, clearstory]

Definition of 'Clearstory'

From: GCIDE
  • Clearstory \Clear"sto`ry\ (kl[=e]r"st[=o]`r[y^]), Clerestory \Clere"sto`ry\, n. (Arch.) The upper story of the nave of a church, containing windows, and rising above the aisle roofs. [1913 Webster]