Dictionary entry

ἅλων

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

ἅλων, -ωνος

(for Attic ἅλως, -ω, v. MM, VGT, s.v.), , [in LXX chiefly for גֹּרֶן;]

a threshing floor: Mt 3:12, Lk 3:17 (here prob. by meton. = the grain on the threshing floor).†