lopper
  砍除器; 斬波器
  Lop·per n. One who lops or cuts off.
  Lop·per, v. i. [imp. & p. p. Loppered p. pr. & vb. n. Loppering.]  To turn sour and coagulate from too long standing, as milk.
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  lopper
       n : a long-handled edge tool with a curved blade at the end and
           sometimes a clipper; used to prune small trees [syn: pruner,
            pruning hook]