As the appearance of horses. — So also are locusts described in the Revelation: “And the shapes of the locusts were like unto horses prepared unto battle” (from this likeness the Italians call a locust cavalletta)... “and the sound of their wings was as the sound of chariots, of many horses running to battle” (Revelation 9:7; Revelation 9:9).
Related Commentaries of Joel 2:4
Joel 2:4
4 The appearance of them is as the appearance of horses; and as horsemen, so shall they run.