Definition of trichophagia in English:

trichophagia

Pronunciation /ˌtrɪkə(ʊ)ˈfeɪdʒ(ɪ)ə/ /ˌtrʌɪkə(ʊ)ˈfeɪdʒ(ɪ)ə/

noun

  • The phenomenon or habit of eating or chewing one's own hair.

Origin

Early 20th century. From French trichophagie see -phagy.