spandrel

  1. Noun.  (architecture) The space (often triangular) between the outer curve of an arch (the extrados) and a straight-sided figure that bounds it; the space between two contiguous arches and a straight feature above them.
  2. Noun.  (architecture) The triangular space under a stair; the material that fills the space.
  3. Noun.  (architecture) A horizontal member between the windows of each storey of a tall building.
  4. Noun.  An oriental rug having a pattern of arches; the design in the corners of such a rug, especially in a prayer rug.
  5. Noun.  (genetics) A phenotypic characteristic that evolved as a side effect of a true adaptation.

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This entry was last updated on RefTopia from its source on 3/20/2012.