#0257 ἅλων halon {hal'-ohn}

 probably from the base of G1507; TDNT - n/a; n f

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) a ground plot or threshing floor, i.e. a place in the field made
    hard after the harvest by a roller, where grain was threshed out

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - floor 2; 2

—Exhaustive Concordance (KJV Translation Frequency & Location)