1. any weapon usable in biological warfare; - Example: "they feared use of the smallpox virus as a bioweapon" [syn: bioweapon, biological weapon, bioarm]
WordNet (r) 3.0 (2006):
bioweapon
n 1: any weapon usable in biological warfare; "they feared use
of the smallpox virus as a bioweapon" [syn: bioweapon,
biological weapon, bioarm]