Green’s Dictionary of Slang

1. the vagina; the female genital area.

1609		Shakespeare ‘A Lover’s Complaint’ lines 169–172: For further I could say, ‘This man’s untrue’, / And knew the patterns of his foul beguling; / Heard where his plants in others’ orchards grew, / Saw how deceits were gilded by his smiling.
c.1664		C. Sackville ‘Another Letter from Lord Buckhurst to Mr Etheredge’ in Stephenson Yard of Wit (2003) 226: Priapus [...] Who pleas’d their Sisters, Wives and Daughters, / Guarded their Pippins and Pomwaters, / For at the Orchards utmost entry, / This mighty Deity stood Centry.
1890–1904		Farmer & Henley Sl. and Its Analogues.
1999		‘Master Pimp’ Pimp’s Rap 151: She parted her smooth legs wide as I slid my hands inside her wild orchard.

2. (US gay) a place where homosexuals meet.

1927

A.J. Rosanoff Manual of Psychiatry in Katz Gay/Lesbian Almanac (1983) 439: Orchard, a park or other such place frequented by homosexuals.