Lord of palm trees, a place in the tribe of Benjamin near Gibeah of Saul (Judg. 20:33). It was one of the sanctuaries or groves of Baal. Probably the palm tree of Deborah (Judg. 4:5) is alluded to in the name.
Easton’s Bible Dictionary
Baal-tamar
Name meaningmaster of the palm-tree
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.