[1] : 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.
      1913 webster

   2. a person of the male sex who has not known sexual
      indulgence. archaic --wyclif.
      1913 webster

            these are they which were not defiled with women;
            for they are virgins.                 --rev. xiv. 4.
      1913 webster

            he his flesh hath overcome;
            he was a virgin, as he said.          --gower.
      1913 webster

   3. astron. see virgo.
      1913 webster

   4. zool. any one of several species of gossamer-winged
      butterflies of the family lycaenidae.
      1913 webster

   5. zool. a female insect producing eggs from which young
      are hatched, though there has been no fecundation by a
      male; a parthenogenetic insect.
      1913 webster

   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.
      1913 webster
see also:
virgo lycaenidae the virgin the blessed virgin virgin's bower clematis 
clematis vitalba clematis virginiana 

[2] : WordNet (r) 2.0

clematis virginiana
     n : 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
see also:
virgin's bower old man's beard devil's darning needle 

Clematis >> C Words
Clematis, definition of term: Clematis
clematis_pag1.html