Lexical Definition

‎πλάτος‎ plátos (plat'-os) width G:N-N
from ‎πλατύς‎

breadth.

Abbott-Smith

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.†

Abbott-Smith References

Book Refs
Habakkuk 1:6
Ephesians 3:18
Revelation 20:9 · 21:16

Liddell-Scott-Jones

πλάτος [], εος, τό,

(πλατύς)

__A breadth, width, σώματος [Refs 4th c.BC+] in breadth. [Refs 5th c.BC+]
__A.b in Mathematics texts, breadth, i.e. the second dimension, ἐν μήκει καὶ π. καὶ βάθει [Refs 5th c.BC+]; κατὰ π., opposed to κατὰ μῆκος, κατὰ βάθος, [Refs]
__A.2 plane surface, [Refs 5th c.BC+]
__A.3 latitude, whether terrestrial or celestial, [Refs 1st c.BC+]
__A.4 metaphorically, plane, ἐν τῷ ψυχικῷ π. [Refs 5th c.AD+]
__A.5 plane of flat fish, [Refs 4th c.BC+]; flat of the tail, [Refs]; flat part of the body of the fishing-frog, [Refs]
__A.6 extension, breadth of a subject, [Refs 2nd c.AD+]
__A.7 ={πλάτας}, Judeich [Refs]
__A.II metaphorically, range of variation, latitude, π. ἔχειν [Refs 2nd c.AD+]
__A.III with Preps., ἐν πλάτει in a loose sense, broadly, [Refs 2nd c.BC+]; opposed to κατ᾽ ἀκρίβειαν, [Refs 2nd c.AD+] which we will discuss in detail, [Refs 3rd c.AD+]; also ἐπὶ πλάτει Ἑλληνίζειν talk loose Greek, [Refs 1st c.BC+]; κατὰ πλάτος λέγεσθαι to be said loosely, [Refs 3rd c.BC+]
__A.IV ={πλατύτης}[Refs 4th c.BC+]
__A.V π. καρδίας, of Solomon, width of knowledge, [LXX]
__A.VI ἀργυρίου πλάτη, ={δραχμαί}, [Refs 2nd c.AD+]