virginal membrane

from WordNet (r) 3.0 (2006)

virginal membrane
    n 1: a fold of tissue that partly covers the entrance to the
         vagina of a virgin [syn: {hymen}, {maidenhead}, {virginal
         membrane}]

from The Collaborative International Dictionary of English v.0.48

Virginal \Vir"gin*al\, a. [L. virginalis: cf. F. virginal.]
   Of or pertaining to a virgin; becoming a virgin; maidenly.
   "Chastity and honor virginal." --Spenser.
   [1913 Webster]

   {Virginal generation} (Biol.), parthenogenesis.

   {Virginal membrane} (Anat.), the hymen.
      [1913 Webster]