apparently from the same as H5553 in the sense of crushing as with a rock, i.e. consuming; a kind of locust (from its destructiveness); bald locust.
Usages throughout the bible
Leviticus 11:22
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Even these of them ye may eat; the locust after his kind, and the bald locust H5556 after his kind, and the beetle after his kind, and the grasshopper after his kind.