- Original: Λουκᾶς - Transliteration: Loukas - Phonetic: loo-kas' - Definition: Luke or Lucus = light-giving 1. a Gentile Christian, the companion of Paul in preaching the gospel and on his many journeys; he was a physician and author of the book of Luke and Acts in the NT - Origin: contracted from Latin Lucanus - TDNT entry: None - Part(s) of speech: Noun Masculine - Strong's: Contracted from the Latin Lucanus; Lucas a Christian: - Lucas Luke. Total KJV Occurrences: 3 • Luke, 3 Colossians 4:14; 2 Timothy 4:11; Philemon 1:24