From The Collaborative International Dictionary of English v.0.48:
Shear \Shear\ (sh[=e]r), v. t. [imp. Shearedor Shore;p. p. Sheared or Shorn; p. pr. & vb. n. Shearing.] [OE. sheren, scheren, to shear, cut, shave, AS. sceran, scieran, scyran; akin to D. & G. scheren, Icel. skera, Dan. ski?re, Gr. ???. Cf. Jeer, Score, Shard, Share, Sheer to turn aside.] 1. To cut, clip, or sever anything from with shears or a like instrument; as, to shear sheep; to shear cloth. [1913 Webster]
Note: It is especially applied to the cutting of wool from sheep or their skins, and the nap from cloth. [1913 Webster]
2. To separate or sever with shears or a similar instrument; to cut off; to clip (something) from a surface; as, to shear a fleece. [1913 Webster]
Before the golden tresses . . . were shorn away. --Shak. [1913 Webster]
3. To reap, as grain. [Scot.] --Jamieson. [1913 Webster]
4. Fig.: To deprive of property; to fleece. [1913 Webster]
5. (Mech.) To produce a change of shape in by a shear. See Shear, n., 4. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Shorn \Shorn\, p. p. of Shear. [1913 Webster]