JonasEaston's Dictionary(1.) Greek form of Jonah (Matt. 12:39, 40, 41, etc.).(2.) The father of the apostles Peter (John 21:15-17) and Andrew; but the reading should be (also in 1:42), as in the Revised Version, “John,” instead of Jonas.Smith's Dictionary(a dove). The prophet Jonah. (Matthew 12:39,40,41; 16:4) Father of Peter. (John 21:15-17) [Jona]