A cutting instrument. Specifically:
(a)
An instrument consisting of two blades, commonly with bevel edges, connected by a pivot, and working on both sides of the material to be cut, used for cutting cloth and other substances. "Fate urged the shears, and cut the sylph in twain."
(b)
A similar instrument the blades of which are extensions of a curved spring, used for shearing sheep or skins.
(c)
A shearing machine; a blade, or a set of blades, working against a resisting edge.