The Collaborative International Dictionary of English v.0.48:
Twig \Twig\, n. [AS. twig; akin to D. twijg, OHG. zw[imac]g,
   zw[imac], G. zweig, and probably to E. two.]
   A small shoot or branch of a tree or other plant, of no
   definite length or size.
   [1913 Webster]
         The Britons had boats made of willow twigs, covered on
         the outside with hides.                  --Sir W.
                                                  Raleigh.
   [1913 Webster]
   Twig borer (Zool.), any one of several species of small
      beetles which bore into twigs of shrubs and trees, as the
      apple-tree twig borer (Amphicerus bicaudatus).
   Twig girdler. (Zool.) See Girdler, 3.
   Twig rush (Bot.), any rushlike plant of the genus Cladium
      having hard, and sometimes prickly-edged, leaves or
      stalks. See Saw grass, under Saw.
      [1913 Webster]