Search Result for "counterpoison": 
Wordnet 3.0

NOUN (1)

1. a remedy that stops or controls the effects of a poison;
[syn: antidote, counterpoison]



WordNet (r) 3.0 (2006):

counterpoison
    n 1: a remedy that stops or controls the effects of a poison
         [syn: antidote, counterpoison]