#1445 Ἑβραῖος Hebraios {heb-rah'-yos}

 from G1443; TDNT - 3:356,372; n m

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

 1) Hebrew
    1a) any one of the Jewish or Israelitish nations
 2) in a narrower sense, those who live in Palestine and use the
    language of the country
 3) all Jewish Christians, whether they spoke Aramaic or Greek

—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 - Hebrew 5; 5

—Exhaustive Concordance (KJV Translation Frequency & Location)