shear 
(shîr)
(shîr)v. sheared, sheared or shorn (shôrn), shear·ing, shears
v.tr.
1. To remove (fleece or hair) by cutting or clipping.
2. To remove the hair or fleece from.
3. To cut with or as if with shears: shearing a hedge.
4. To divest or deprive as if by cutting: The prisoners were shorn of their dignity.
v.intr.
1. To use a cutting tool such as shears.
2. To move or proceed by or as if by cutting: shear through the wheat.
3. Physics To become deformed by shear force.
n.
1. often shears
a. A pair of scissors.
b. Any of various implements or machines that cut with a scissorlike action.
2. The act, process, or result of shearing, especially when used to indicate a sheep's age: a two-shear ram.
3. Something cut off by shearing.
4. also sheers (shîrz) (used with a sing. or pl. verb) An apparatus used to lift heavy weights, consisting of two or more spars joined at the top and spread at the base, the tackle being suspended from the top.
5. Physics
a. See shear force.
b. See shear strain.
c. See shear stress.
[Middle English scheren, from Old English sceran; see sker-1 in the Appendix of Indo-European roots. N., from Middle English shere, from Old English scēar; see sker-1 in the Appendix of Indo-European roots.]
shearer n.