|Easton's Bible Dictionary|
King of the Ammonites at the time of the Babylonian captivity (Jeremiah 40:14). He hired Ishmael to slay Gedaliah who had been appointed governor over the cities of Judah.
Int. Standard Bible Encyclopedia
ba'-a-lis ba`lic, perhaps for Baalim, "gods"; Septuagint Beleisa, Belisa, [Baalis]; Ant, X, ix, 3, Baalimos: King of the children of Ammon, the instigator of the murder of Gedaliah (Jeremiah 40:14). Compare Ant, X, ix, 3.
Baalis (1 Occurrence)
Jeremiah 40:14 and said to him, Do you know that Baalis the king of the children of Ammon has sent Ishmael the son of Nethaniah to take your life? But Gedaliah the son of Ahikam didn't believe them. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)