Search Result for "chemical weapon":
Wordnet 3.0

NOUN (1)

1. chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants; 



WordNet (r) 3.0 (2006):

chemical weapon
    n 1: chemical substances that can be delivered using munitions
         and dispersal devices to cause death or severe harm to
         people and animals and plants