Lexical Definition

‎στόμαχος‎ stómachos (stom'-akh-os) stomach ^G:N-M
from ‎στόμα‎

stomach.

• an orifice (the gullet), i.e. (specially), the "stomach"

Abbott-Smith

* στόμαχος, -ου, ὁ (< στόμα),
prop., a mouth, an opening;
(a) in early Gk. writers, the throat;
(b) of the opening of the stomach (Arist.);
(c) in later writers (Plut., al.), the stomach: I Ti 5:23.†

Abbott-Smith References

Liddell-Scott-Jones

στόμαχος-ος, ὁ,

(στόμα) throat, gullet, ἀπὸ στομάχους ἀρνῶν τάμε νηλέϊ χαλκῷ [Refs 8th c.BC+]; ={οἰσοφάγος}, [Refs 4th c.BC+]

__2 neck of the bladder, τῆς κύστιος [Refs 5th c.BC+] “Aër.” 9; or of the uterus, [Refs]
__3 later, orifice of the stomach,= στόμα τῆς γαστρός, τῆς κοιλίας, [Refs 1st c.AD+]; the stomach itself, [NT+1st c.AD+]; ἀμφοτέρας (i.e. τὰς χεῖρας) ἐπὶ τοῦ σ. [Refs]; cf. Latin stomachus.
__4 anger, γέγονε σ. πρὸς δουλικὸν πρόσωπον [Refs 2nd c.AD+]

_{LSJ Scripture Refs: 1Tim.5.23}