Obs. rare1. [Possibly a variant of CORBY, or f. L. corvus, taken in sense of F. corbeau (see Hatzfeld, sense II. 1).] An ancient engine of war, consisting of a beam of timber armed with grappling irons, used by the besieged to pull down stones from the works of the besiegers, or snatch up assailants who came near the walls.

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1584.  Hudson, Judith, iii. (D.).

        Here croked Coruies, fleing bridges tall,
Their scathfull Scorpions, that ruynes the wall.

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