1. a nonlethal aerosol spray made with the pepper derivative oleoresin capiscum; used to cause temporary blindness and incapacitate an attacker; also used as a bear deterrent;
WordNet (r) 3.0 (2006):
pepper spray
n 1: a nonlethal aerosol spray made with the pepper derivative
oleoresin capiscum; used to cause temporary blindness and
incapacitate an attacker; also used as a bear deterrent