floor

Boyd’s Bible Dictionary:

(1 Kings 22:10; 2 Chron. 18:9) [AGRICULTURE]

Strong’s Dictionary of Greek Words:

Greek:
ἅλων
Transliteration:
halon
Phonic:
hal’-ohn
Meaning:
probably from the base of 1507; a threshing-floor (as rolled hard), i.e. (figuratively) the grain (and chaff, as just threshed)
KJV Usage:
floor