Lexical Definition

‎τοῖχος‎ toîchos (toy'-khos) wall ^G:N-M
another form of ‎τεῖχος‎

wall.

• a wall

Abbott-Smith

τοῖχος, -ου, ὁ [in LXX chiefly for קִיר ;]
a wall, esp. of a house: fig., Ac 23:3 (cf. τεῖχος).†

Abbott-Smith References

Liddell-Scott-Jones

τοῖχος, ὁ,

wall of a house or enclosure, absolutely, [Refs 8th c.BC+]; ἅπαντ᾽ ἐρευνῶν τ. uncertain in [Refs 8th c.BC+]; τ. καὶ θριγκοί (of the αὐλή)[Refs 8th c.BC+]; wall of a temple, [Refs 5th c.BC+]; νόμους ἀναγράφειν εἰς τοῖχον Decrees cited in [Refs 5th c.BC+]; κοινοὶ τ. party-walls, [Refs 2nd c.AD+]; τοίχῳ προσιστάμενοι γυμνάζονται [Refs 2nd c.AD+]: of the side of a tent or hut, [Refs 8th c.BC+]

__b metaphorically, τοῖχε κεκονιαμένε, as a term of abuse, [NT]
__2 plural, sides of a ship, [Refs 8th c.BC+]
__3 of other things, as the human body, εἰς ἀμφοτέρους τοίχους (by metaphorically from a ship) [Refs 5th c.BC+]; of a cup, [Refs 5th c.BC+]; of a vessel, [Refs 4th c.BC+]; of a bath (πύελος), [Refs 2nd c.AD+]
__4 proverbial, τοίχους τοὺς δύο ἐπαλείφειν 'to run with the hare and hunt with the hounds', [Refs 2nd c.AD+] see at {δύο τοίχου; ὁ εὖ πράττων τ}. 'the snug side of the ship', 'the right side of the hedge', [Refs 5th c.BC+] but used in a special sense; later ={τεῖχος}, [LXX]

_{LSJ Scripture Refs: Acts.23.3 ☩ LXX.Isa.25.12}