Green’s Dictionary of Slang

the vagina, esp. of a virgin; thus pluck a rose, to deflower.

1600		Shakespeare As You Like It III ii: He that sweetest rose will find Must find love’s prick and Rosalind.
1602		Shakespeare All’s Well That Ends Well IV ii: When you have our roses, You barely leave our thorns to prick ourselves And mock us with out bareness.
1624		Massinger Parliament of Love II i: I haue pluck’d her virgin rose so long preservd.
1637–41		Chapman Revenge for Honour V ii: [He] did with vicious looseness Corrupt the chaste streams of my spotless virtues, And left me soiled like a long-pluck’d rose Whose leaves dissever’d have foregone their sweetness.
1691		‘Advice to Bachelours’ in Ebsworth Merry Drollery Compleat (1875) 34: It Pleaseth the eye, but the rose will dye, / As soon as it runs to seed.
1765		Harris’s List of Covent Garden Ladies 10: Her virgin rose was pluck’d at the tender age of fifteen.
1841		‘The Rose Under The Clothes’ in Gentleman’s Spicey Songster 32: The rogue he got sporting and groaping about, / Till at length, by the smell, the rose he found out.
c.1850		Peeping Tom (London) 1 4/3: [advert] Julia; or, I have saved my Rose, coloured engravings 10s. 6d. post paid.
1870		Cythera’s Hymnal 68: The rose between my swelling thighs / To man may yield a venal bliss.
1896		Farmer Vocabula Amatoria (1966) 236: Rose, f. 1. the female pudendum; ‘the rose.’.