Strong's G257 — ἅλων (noun)
halon (hal'-own) n.
1. a threshing-floor (as rolled hard)
2. (figuratively) the grain (and chaff, as just threshed)
[probably from the base of G1507]
KJV: floor 
Root(s): G1507 
Hebrew root: εἱλίσσω
Occurrences: 2