The term 'short-horned grasshopper' can be summarized as a type of LOCUST, which is a six-letter word. Locusts are a group of insects that are part of the grasshopper family and are known for their swarming behavior. Short-horned grasshoppers are a type of LOCUST that have short antennae and are typically found in grassy areas. They are usually brown or green in color and can grow up to two inches in length.