WordNet (r) 3.0 (2006):

Phytolacca americana
    n 1: tall coarse perennial American herb having small white
         flowers followed by blackish-red berries on long drooping
         racemes; young fleshy stems are edible; berries and root
         are poisonous [syn: poke, pigeon berry, garget,
         scoke, Phytolacca americana]