Boil

(rendered "botch" in Deut. 28:27, 35), an aggravated ulcer, as
in the case of Hezekiah (2 Kings 20:7; Isa. 38:21) or of the
Egyptians (Ex. 9:9, 10, 11; Deut. 28:27, 35). It designates the
disease of Job (2:7), which was probably the black leprosy.