Quick Definition
μεθόριον, ου, τό n.n. confine, border
Strong's Definition
bounded alongside, i.e. contiguous (neuter plural as noun, frontier)
Derivation: from G3326 (μετά) and G3725 (ὅριον);
KJV Usage: border
Thayer's Greek Lexicon
μεθ-όριον, -ov, τό. (neut. of adj. μεθόριος, -a, -ov; fr. μετά with, and ὅρος a boundary), a border, frontier: τὰ μεθόριά τινος. the confines (of any land or city), i. e. the places adjacent to any region, the vicinity, Mk. vii. 24 RG. (Thue., Xen., Plat., al.)
Mounce Concise Greek Dictionary
Abbott-Smith Greek Lexicon
μεθ-όριον, -ου, τό
(neut. of μεθόριος, -α, -ον), [in LXX: Jos 19:27 A*;] Rec. for ὅριον (q.v.), a border, boundary: Mk 7:24.†
Moulton & Milligan — Vocabulary of the Greek NT
μεθόριον. On the formation of this word, which is read in Mk 7%4 ANX αδ, see Robertson Gr. p. 156 f.
Liddell-Scott-Jones — Greek-English Lexicon
μεθόριος (methorios) — boundary. μεθόριος, α, ον (also ος, ον [Refs 1st c.AD+], (ὅρος) lying between as a boundary, γῆ μεθορία τῆς Ἀργείας καὶ Λακωνικῆς the border country between.., [Refs 5th c.BC+]: neuter plural, borders, marches, ἐν -ίοις τῆς Ἀττικῆς καὶ Βοιωτίας [Refs 5th c.BC+]; τὰ μ. Τύρου καὶ Σιδῶνος variant in [NT+5th c.BC+]; ἐν μεθορίῳ [εἶναι] [Refs 4th c.BC+]; ἡ Ἀράβων καὶ Ἀσσυρίων μεθορία (i.e. χώρα) [Refs 1st c.AD+]; ἔστι ἐν λιτότητι μεθόριος there is a limit to frugality, conjecture in [Refs 4th c.BC+]