A.“τρίχεσιν” J.AJ16.7.3 is f.l. for τρύχ-): - hair, Hom. only in pl., “ὀρθαὶ τρίχες ἔσταν ἐνὶ . . μέλεσσι” Il. 24.359; mostly, hair of the head, 22.77, Od.13.431; “αἱ ἐν τῇ κεφαλῇ τρίχες” Th.1.6; sheep's wool, Il.3.273, Hes.Op.517; pig's bristles, Il.19.254, Od.10.239; τρίχες ἄκραι οὐραῖαι, of a horse's tail, Il.23.519; ἀνάστασις τῶν τριχῶν, of a lark's crest, Gal.12.361.
II. later in sg. collectively, A.Th.535, Ag.562, S.El.451; τριχὸς πλόκαμος, βόστρυχος, A.Th.564 (lyr.), Ch.229; “γενείον θρίξ” Id.Pers.1056; “κόμη θρίξ” LXXNu.6.6; Ἐπαφρόδιτον . . τὴν παιδικὴν τρίχα Ὑγίᾳ (sc. ἀνέθηκεν) IG12(5).173 (Paros, i A.D.); of a horse's mane, S.Fr.475; of dogs, X.Cyn.4.8 (sg. and pl.).
2. a single hair, οὐδὲ τρίχ[α] Alc. Supp.14.10: prov., θρὶξ ἀνὰ μέσσον only a hair's breadth wanting, Theoc.14.9, cf. X.Smp.6.2; ἄξιον τριχός, i.e. good for nothing, Ar. Ra.614; “οὐδ᾽ ἂν τριχὸς πριαίμην” Eup.7.18D.; ἐκ τριχὸς κρέμασθαι to hang by a hair, Aristaenet.2.1, Zen.3.47; “ἀπὸ τ. ἠερτῆσθαι” AP5.229 (Paul. Sil.); “ἐπὶ τριχὸς ἦν ἡ σωτηρία” Procop.Aed.6.6; εἰς ἱερὴν τρίχα ἐλθεῖν, i.e. to come to life's end, v.l. in AP7.164 (Antip. Sid.), but cf. Epigr.Gr.248.13; μόνον οὐχὶ τῶν τ., φασί, λαμβάνεται 'saute aux yeux', S.E.M.7.257.