Meaning

noun (Old Testament) the first king of the Israelites who defended Israel against many enemies (especially the Philistines)

noun (New Testament) a Christian missionary to the Gentiles; author of several Epistles in the New Testament; even though Paul was not present at the Last Supper he is considered an Apostle

originEtymology tree Hebrew שָׁאַל Hebrew שָׁאוּלlbor. Ancient Greek Σαούλ (Saoúl)lbor. Late Latin Saullbor. Old English Saulbor. English Saul Borrowed from Old English Saul. Doublet of Silas, which derived from Aramaic.

Etymology from Wiktionary, CC BY-SA 3.0