#2463 ἶρις iris {ee'-ris}

 perhaps from G2046 (as a symbol of the female messenger of the
    pagan deities); TDNT - 3:339,369; n f

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

 1) a rainbow

—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 - rainbow 2; 2

—Exhaustive Concordance (KJV Translation Frequency & Location)