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4 definitions found
 for semicircular
From The Collaborative International Dictionary of English v.0.48 :

  Semicircular \Sem`i*cir"cu*lar\, a.
     Having the form of half of a circle. --Addison.
     [1913 Webster]
     Semicircular canals (Anat.), certain canals of the inner
        ear. See under Ear.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  curved \curved\ adj.
     1. not straight; having or marked by curves. Opposite of
     Note: [Narrower terms: arced, arched, arching, arciform,
           arcuate, bowed; falcate, sickle-shaped; flexuous;
           incurvate, incurved: recurved, recurvate;
           semicircular: serpentine, snaky: sinuate, sinuous,
           wavy: sinusoidal]
     Syn: curving.
          [WordNet 1.5]
     2. (Botany) curved with the micropyle near the base almost
        touching its stalk; -- of a plant ovule. Opposite of
     Syn: campylotropous.
          [WordNet 1.5]

From WordNet (r) 3.0 (2006) :

      adj 1: curved into a half circle

From Moby Thesaurus II by Grady Ward, 1.0 :

  26 Moby Thesaurus words for "semicircular":
     Cynthian, S-shaped, bicorn, corniform, crescent, crescent-shaped,
     crescentic, crescentiform, crescentlike, falcate, falciform,
     horn-shaped, horned, lunar, lunate, luniform, lunular, menisciform,
     meniscoid, moon-shaped, moonlike, semilunar, sickle-like,
     sickle-shaped, sigmoid, two-horned

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