D defs.my
Entry 1 sense Webster, 1913

Horsehair

/(hôrs"hâr`)/ · Horse·hair · IPA
01 n. A hair of a horse, especially one from the mane or tail; the hairs of the mane or tail taken collectively;
  1. 1.
    A hair of a horse, especially one from the mane or tail; the hairs of the mane or tail taken collectively;
Phrases & compounds
Horsehair worm — the hair worm or gordius.