Liddell-Scott-Jones

γνάθος (gnathos) a cheek ^G:N-F

γνάθος-ος [ᾰ], ἡ,

jaw, Prose form of γναθμός, also frequently in Poets, γ. ἱππείη [Refs 8th c.BC+]; ἡ ἄνω, ἡ κάτω γ., [Refs 5th c.BC+]; καὶ γ. καὶ τὸ ἄνω τῆς γ. (where γνάθοςος, = lower jaw) [Refs]; ἔπαγε γνάθοςον take your teeth to it! [Refs 5th c.BC+]; γνάθοςου δοῦλος a greedy fellow, [Refs 5th c.BC+]

__2 cheek, in plural, [Refs 5th c.BC+]
__3 metaphorically, ποταμοὶ πυρὸς δάπτοντες ἀγρίαις γνάθοςοις [Refs 4th c.BC+]; also τραχεῖα πόντου Σαλμυδησσία γ., of jagged rocks, [Refs]
__II point of a wedge, [Refs]