A medicine; gum/rosin from a bush.
For this is the day of the Lord GOD of hosts, a day of vengeance, that he may avenge him of his adversaries: and the sword shall devour, and it shall be satiate and made drunk with their blood: for the Lord GOD of hosts hath a sacrifice in the north country by the river Euphrates. Go up into Gilead, and take BALM, O virgin, the daughter of Egypt: in vain shalt thou use many medicines; for thou shalt not be cured. ( Jeremiah 46:10-11 )
Bibliography Information"Entry for 'Balm'". A King James Dictionary.