The Collaborative International Dictionary of English v.0.48:
deflower \de*flow"er\, v. t. [Previously also spelled
deflour.] [imp. & p. p. Deflowered; p. pr. & vb. n.
Deflowering.] [F. d['e]florer, LL. deflorare; L. de- +
flos, floris, flower. See Flower, and cf. Deflorate.]
1. To deprive of flowers.
An earthquake . . . deflowering the gardens. --W.
2. To take away the prime beauty and grace of; to rob of the
3. To deprive of virginity, as a woman; to violate; to
ravish; also, to seduce.
If a man had deflowered a virgin. --Milton.