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definitions

blindstory

[blahynd-stawr-ee, -stohr-ee]
noun, plural blind·sto·ries. Architecture.
  1. 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018