TBESG:τοῖχοςwallG:N-M τοῖχος, -ου, ὁ [in LXX chiefly for קִיר ;] a wall, esp. of a house: fig., Act.23:3 (cf. τεῖχος).† (AS)
μεσότοιχον mesotoichon mes-ot'-oy-khon From G3319 and G5109; a partition (figuratively)KJV Usage: middle wall.