Green’s Dictionary of Slang

the vagina, ‘secreta mulierum’; one of many words that suggests the vagina is a threat to men.

1610		Rowlands Martin Mark-all 37: A Bite, secreta ( ) mulierum.
c.1698		B.E. Dict. Canting Crew n.p.: Bite [...] a Womans Privities [...] The Cull wapt the Morts bite, c. the fellow enjoyed the Whore briskly.
1719		A. Smith Lives of Most Notorious Highway-men, etc. (1926) 202: Bite, a rogue, sharper or cheat; also a woman’s privities [...] The Cull wapt the Mort’s Bite, i.e., the fellow enjoyed the whore briskly.
1725		New Canting Dict.
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict.
1741		Canting Academy, or the Pedlar’s-French Dict. 117: A Woman’s Hair A Bite Strummel.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1890–1904		Farmer & Henley Sl. and Its Analogues.