semicircle

from WordNet (r) 3.0 (2006)
semicircle
    n 1: a plane figure with the shape of half a circle [syn:
         {semicircle}, {hemicycle}]
from The Collaborative International Dictionary of English v.0.48
Semicircle \Sem"i*cir`cle\, n.
   1.
      (a) The half of a circle; the part of a circle bounded by
          its diameter and half of its circumference.
      (b) A semicircumference.
          [1913 Webster]

   2. A body in the form of half of a circle, or half of a
      circumference.
      [1913 Webster]

   3. An instrument for measuring angles.
      [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
22 Moby Thesaurus words for "semicircle":
      crescent, crescent moon, fifty percent, fifty-fifty, half,
      half circle, half-and-half, half-moon, hemicycle, hemisphere,
      horseshoe, lunula, lunule, mediety, meniscus, moiety, quadrant,
      scythe, sector, semisphere, sextant, sickle
antiflux / dictionary / semicircle
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