LSJ
τριχος, ὁ, ἡ, = ἄθριξ, Call. Fr. 341; = ἄνηβος, Poll. 2.22.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
τριχος, = ἄθριξ, Callim. frg. 341 ; ἀπότριχες οἱ ἄνηβοι Poll. 2.22.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)