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

wormwood \worm"wood\, n. as. werm?d, akin to ohg. wermuota,
   wormuota, g. wermuth, wermut; of uncertain origin.
   1913 webster
   1. bot. a composite plant artemisia absinthium, having
      a bitter and slightly aromatic taste, formerly used as a
      tonic and a vermifuge, and to protect woolen garments from
      moths. it gives the peculiar flavor to the cordial called
      absinthe. the volatile oil is a narcotic poison. the term
      is often extended to other species of the same genus.
      1913 webster

   2. anything very bitter or grievous; bitterness.
      1913 webster

            lest there should be among you a root that beareth
            gall and wormwood.                    --deut. xxix.
                                                  18.
      1913 webster

   roman wormwood bot., an american weed ambrosia
      artemisiaefolia; hogweed.

   tree wormwood bot., a species of artemisia probably
      artemisia variabilis with woody stems.

   wormwood hare zool., a variety of the common hare lepus
      timidus; -- so named from its color.
      1913 webster
see also:
artemisia absinthium roman wormwood ambrosia artemisiaefolia tree wormwood artemisia variabilis wormwood hare 
lepus timidus 

Wormwood >> W Words
Wormwood, definition of term: Wormwood
wormwood_pag1.html

Hare >> H Words
Hare, definition of term: Hare
hare_pag1.html

Chief Hare >> C Words
Chief Hare, definition of term: Chief Hare
chief+hare_pag1.html

Arctic Hare >> A Words
Arctic Hare, definition of term: Arctic Hare
arctic+hare_pag1.html