de·flow·er 
(dē-flouər)
(dē-flouər)tr.v. de·flow·ered, de·flow·er·ing, de·flow·ers
To have sexual intercourse with (a virgin, especially a woman).
[Middle English deflouren, from Old French defflourer, from Late Latin dēflōrāre : Latin dē-, de- + Latin flōs, flōr-, flower; see bhel-3 in the Appendix of Indo-European roots.]
de·flower·er n.