Green’s Dictionary of Slang

tippet-de-witchet n.

[? SE tippet, ‘a long narrow slip of cloth or hanging part of dress, formerly worn, either attached to and forming part of the hood, head-dress, or sleeve, or loose, as a scarf or the like’ (OED)]

the vagina.

N. Ward Revels of the Gods 5: Pray, Goddesses! What do you mean I beseech-it, / To basely Reflect on my Tippet-de-witchet?