#4723 στεῖρος steiros {sti'-ros}

 a contraction from G4731 (as stiff and unnatural); TDNT - n/a; adj

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

 1) hard, stiff
    1a) of men and animals
 2) barren
    2a) of woman who does not conceive

—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 - barren 4; 4

—Exhaustive Concordance (KJV Translation Frequency & Location)