[1] : The Collaborative International Dictionary of English v.0.48

birch \birch\ b~erch, n.; pl. birches -e^z. oe.
   birche, birk, as. birce, beorc; akin to icel. bj"ork, sw.
   bj"ork, dan. birk, d. berk, ohg. piricha, mhg. birche,
   birke, g. birke, russ. bereza, pol. brzoza, serv. breza, skr.
   bh=urja. root254. cf. 1st birk.
   1. a tree of several species, constituting the genus
      betula; as, the white or common birch betula alba
      also called silver birch and lady birch; the dwarf birch
      betula glandulosa; the paper or canoe birch betula
      papyracea; the yellow birch betula lutea; the black
      or cherry birch betula lenta.
      1913 webster

   2. the wood or timber of the birch.
      1913 webster

   3. a birch twig or birch twigs, used for flogging.
      1913 webster

   note: the twigs of the common european birch b. alba, being
         tough and slender, were formerly much used for rods in
         schools. they were also made into brooms.
         1913 webster

               the threatening twigs of birch.    --shak.
         1913 webster

   4. a birch-bark canoe.
      1913 webster

   birch of jamaica, a species bursera gummifera of
      turpentine tree.

   birch partridge. zool. see ruffed grouse.

   birch wine, wine made of the spring sap of the birch.

   oil of birch.
      a an oil obtained from the bark of the common european
          birch betula alba, and used in the preparation of
          genuine and sometimes of the imitation russia
          leather, to which it gives its peculiar odor.
      b an oil prepared from the black birch betula lenta,
          said to be identical with the oil of wintergreen, for
          which it is largely sold.
          1913 webster
see also:
birches birk betula betula alba betula glandulosa betula papyracea 
betula lutea betula lenta birch of jamaica bursera gummifera birch partridge 
ruffed grouse birch wine oil of birch 

[2] : The Collaborative International Dictionary of English v.0.48

birch \birch\, a.
   of or pertaining to the birch; birchen.
   1913 webster

[3] : The Collaborative International Dictionary of English v.0.48

birch \birch\, v. t. imp.  p. p. birched b~ercht; p. pr.
    vb. n. birching.
   to whip with a birch rod or twig; to flog.
   1913 webster
see also:
birched birching 

[4] : WordNet (r) 2.0

birch
     adj : consisting of or made of wood of the birch tree syn: birchen,
            birken
     n 1: hard close-grained wood of any of various birch trees; used
          especially in furniture and interior finishes and
          plywood
     2: any betulaceous tree or shrub of the genus betula having a
        thin peeling bark syn: birch tree
     3: bundle of birch twigs used to hit people as punishment syn:
         birch rod
     v : whip with a birch twig
see also:
birchen birken birch tree birch rod 

Birch >> B Words
Birch, definition of term: Birch
birch_pag1.html

White Birch >> W Words
White Birch, definition of term: White Birch
white+birch_pag1.html

River Birch >> R Words
River Birch, definition of term: River Birch
river+birch_pag1.html