5. (Mech.) To produce a change of shape in by a shear. See Shear, n.,
4.
Shear, n. [AS. sceara. See Shear, v. t.] 1. A pair of shears; -- now
always used in the plural, but formerly also in the singular. See
Shears.
On his head came razor none, nor shear.
Chaucer.
Short of the wool, and naked from the shear.
Dryden.