3 occurrences in 3 dictionaries

Reference: Plagues of Egypt

Hastings

There are not many references in the Bible to the plagues outside the Book of Exodus. They are epitomized in Ps 78:44-51; 105:28-36. In Ro 9:14-24 God's treatment of Pharaoh is dwelt upon, to show His absolute right to do what He will with the creatures of His own handiwork. And in Re 8; 9; 16 much of the imagery in the visions of the trumpets and the bowls is based upon the plagues

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Morish

These were wrought by God to show to Pharaoh and to the Egyptians His great power, and that all the elements of creation were at His disposal. Ex. 7

Watsons

PLAGUES OF EGYPT. The design of these visitations, growing more awful and tremendous in their progress, was to make Pharaoh know, and confess, that the God of the Hebrews was the supreme Lord, and to exhibit his power and his justice in the strongest light to all the nations of the earth, Ex 9:16; 1Sa 4:8, &c; to execute judgment upon the Egyptians and upon all their gods, inanimate and bestial, for their cruelty to the Israelites, and for their grovelling polytheism and idolatry, Ex 7:14-17; 12:12. The Nile was the principal divinity of the Egyptians. According to Heliodorus, they paid divine honours to this river, and revered it as the first of their gods. They declared him to be the rival of heaven, since he watered the country without the aid of the clouds and rain. His principal festival was at the summer solstice, when the inundation commenced; at which season, in the dog days, by a cruel idolatrous rite, they sacrificed red-haired persons, principally foreigners, to Typhon, or the power that presided over tempests, at Busiris, Heliopolis, &c, by burning them alive, and scattering their ashes in the air, for the good of the people, as we learn from Plutarch. Hence Bryant infers the probability, that these victims were chosen from among the Israelites, during their residence in Egypt. The judgment then inflicted upon the river, and all the waters of Egypt, in the presence of Pharaoh and of his servants, as foretold,

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