τριόφθαλμος
From LSJ
ὀφθαλμοὶ γὰρ τῶν ὤτων ἀκριβέστεροι μάρτυρες → the eyes are more accurate witnesses than the ears, the eyes are more exact witnesses than the ears
English (LSJ)
ον,
A three-eyed, Orac. ap. Apollod.2.8.3, Plu.2.520c, etc. 2 ὁ τ., name of a precious stone, Plin.HN37.186.
Greek (Liddell-Scott)
τριόφθαλμος: -ον, ὁ ἔχων τρεῖς ὀφθαλμούς, Χρησμ. παρ’ Ἀπολλοδ. 2. 8, 3, Πλούτ. 2. 520C, κλπ. 2) ὁ τρ., ὄνομα πολυτίμου λίθου, Plin. N. H. 37. 11.