|Easton's Bible Dictionary|
Compressed, the father of Achish, king of Gath (1 Samuel 27:2). Called also Maachah (1 Kings 2:39).
Int. Standard Bible Encyclopedia
ma'-ok (ma`okh, "oppressed," "bruised"): The same as Maacah (1 Kings 2:39). The father of that Achish, king of Gath, with whom David and his 600 sojourned under fear of Saul's treachery (1 Samuel 27:2).
Maoch (1 Occurrence)
1 Samuel 27:2 David arose, and passed over, he and the six hundred men who were with him, to Achish the son of Maoch, king of Gath. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)