(in the Bible) a judge of Israel who sacrificed his daughter in consequence of a vow that if victorious in battle he would sacrifice the first living thing that met him on his return (Judges 11, 12).
Definition of Jephthah in US English:
Jephthah
proper nounˈjefTHə
(in the Bible) a judge of Israel who sacrificed his daughter in consequence of a vow that if victorious in battle he would sacrifice the first living thing that met him on his return.