charm(- er), be compact, couple (together), have fellowship with, heap up, join (self, together), league

Concise Bible Dictionary:

In Psalm 58:5 and Jeremiah 8:17 the allusion is to those who can charm serpents, probably by soft and gentle sounds. In Deuteronomy 18:11 and Isaiah 19:3 it is associated with idolatry and sorcerers: these also carry on their incantations with low mutterings. See DIVINATION.

Strong’s Dictionary of Hebrew Words:

Transliteration:
chabar
Phonic:
khaw-bar’
Meaning:
a primitive root; to join (literally or figuratively); specifically (by means of spells) to fascinate
KJV Usage:
charm(- er), be compact, couple (together), have fellowship with, heap up, join (self, together), league