资料来源 : pyDict

修剪,剪下的东西,羊的一岁,大剪刀,切变,剪,切修剪,割,剥夺,切

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Shear \Shear\, v. t. [imp. {Sheared}or {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.

   Note: It is especially applied to the cutting of wool from
         sheep or their skins, and the nap from cloth.

   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.

            Before the golden tresses . . . were shorn away.
                                                  --Shak.

   3. To reap, as grain. [Scot.] --Jamieson.

   4. Fig.: To deprive of property; to fleece.

   5. (Mech.) To produce a change of shape in by a shear. See
      {Shear}, n., 4.

Shear \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.

   2. A shearing; -- used in designating the age of sheep.

            After the second shearing, he is a two-shear ram; .
            . . at the expiration of another year, he is a
            three-shear ram; the name always taking its date
            from the time of shearing.            --Youatt.

   3. (Engin.) An action, resulting from applied forces, which
      tends to cause two contiguous parts of a body to slide
      relatively to each other in a direction parallel to their
      plane of contact; -- also called {shearing stress}, and
      {tangential stress}.

   4. (Mech.) A strain, or change of shape, of an elastic body,
      consisting of an extension in one direction, an equal
      compression in a perpendicular direction, with an
      unchanged magnitude in the third direction.

   {Shear blade}, one of the blades of shears or a shearing
      machine.

   {Shear hulk}. See under {Hulk}.

   {Shear steel}, a steel suitable for shears, scythes, and
      other cutting instruments, prepared from fagots of
      blistered steel by repeated heating, rolling, and tilting,
      to increase its malleability and fineness of texture.

Shear \Shear\, v. i.
   1. To deviate. See {Sheer}.

   2. (Engin.) To become more or less completely divided, as a
      body under the action of forces, by the sliding of two
      contiguous parts relatively to each other in a direction
      parallel to their plane of contact.

资料来源 : WordNet®

shear
     n 1: (physics) a deformation of an object in which parallel
          planes remain parallel but are shifted in a direction
          parallel to themselves; "the shear changed the
          quadrilateral into a parallelogram"
     2: (usually plural) large scissors with strong blades [syn: {shears}]
     3: a large edge tool that cuts sheet metal by passing a blade
        through it

shear
     v 1: cut with shears; "shear hedges"
     2: shear the wool from; "shear sheep" [syn: {fleece}]
     3: cut or cut through with shears