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Webster's Dictionary (1865)

O-gēe', n.

noun

(o-jē'), n. [Fr. ogive. See OGIVE.]

  1. (Arch.) A molding consisting of two members, the one concave, the other convex, or of a round and a hollow; a cymatium or cyma;—sometimes designated by the abbreviation O. G. or — O.G.
  2. Hence, any similar figure used for any purpose.