Dictionary entry

πλάτος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

πλάτος, -ους, τό,

[in LXX chiefly for רֹחַב;]

breadth: Eph 3:18, Re 21:16; τ. π. τῆς γῆς (Hb 1:6, מֶרְחָב), Re 20:9.†