noun. a neurotoxin (trade name Botox) that is used clinically in small quantities to treat strabismus and facial spasms and other neurological disorders characterized by abnormal muscle contractions; is also used by cosmetic surgeons to smooth frown lines temporarily.
1. Noun, singular or mass [Read more about how to get rid of deep wrinkles without botox or surgery. 2. Adjective [Read more about the side effects of botox injections.