Source : Webster's Revised Unabridged Dictionary (1913)

Lopper \Lop"per\, n.
   One who lops or cuts off.

Lopper \Lop"per\, v. i. [imp. & p. p. {Loppered}; p. pr. & vb.
   n. {Loppering}.] [Cf. Prov. G. l["u]bbern, levern, OHG.
   giliber?n, G. luppe, lab, rennet.]
   To turn sour and coagulate from too long standing, as milk.

Source : WordNet®

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}]