1. a hypodermic syringe to use in injecting yourself with a liquid; - Example: "United States troops now carry atropine and autoinjectors in their first-aid kits to use in case of organophosphate nerve agent poisoning"
WordNet (r) 3.0 (2006):
autoinjector
n 1: a hypodermic syringe to use in injecting yourself with a
liquid; "United States troops now carry atropine and
autoinjectors in their first-aid kits to use in case of
organophosphate nerve agent poisoning"