ETYM as. sceara. Related to Shear.
1. A machine that cuts sheet metal by passing a blade through it.
2. (Physics) A deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves.
(Irregular preterit, past participle: sheared; or p.p.: shorn).
1. To cut or cut through with shears.
2. To cut with shears, as of hedges.