The Collaborative International Dictionary of English v.0.48:

Virgin \Vir"gin\, n. [L. virgo, -inis: cf. OF. virgine, virgene,
   virge, vierge, F. vierge.]
   1. A woman who has had no carnal knowledge of man; a maid.
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   2. A person of the male sex who has not known sexual
      indulgence. [Archaic] --Wyclif.
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            These are they which were not defiled with women;
            for they are virgins.                 --Rev. xiv. 4.
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            He his flesh hath overcome;
            He was a virgin, as he said.          --Gower.
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   3. (Astron.) See Virgo.
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   4. (Zool.) Any one of several species of gossamer-winged
      butterflies of the family Lycaenidae.
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   5. (Zool.) A female insect producing eggs from which young
      are hatched, though there has been no fecundation by a
      male; a parthenogenetic insect.
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   The Virgin, or The Blessed Virgin, the Virgin Mary, the
      Mother of Jesus Christ.

   Virgin's bower (Bot.), a name given to several climbing
      plants of the genus Clematis, as Clematis Vitalba of
      Europe, and Clematis Virginiana of North America.
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WordNet (r) 3.0 (2006):

Clematis virginiana
    n 1: common climber of eastern North America that sprawls over
         other plants and bears numerous panicles of small creamy
         white flowers [syn: virgin's bower, old man's beard,
         devil's darning needle, Clematis virginiana]