maidenhair

noun3

1. •
   Either of two species of genus Adiantum of fern with delicate, hair-like stalks, especially Adiantum capillus-veneris.

   • Our common Maidenhair does from a number of hard black fibres, send forth a great many blacking shining brittle stalks, hardly a span long [...]. — 1653
2. •
   (literary) A woman's pubic hair.

   • He fingered shreds of hair, her maidenhair, her mermaid's, into the bowl — 1922
3. •
   (US, Canada) Either of two ericaceous plants: creeping snowberry (Gaultheria hispidula) or checkerberry (G. procumbens).