I. Botox 1 BrE AmE trademark
a substance that makes muscles relax, which can be ↑ inject ed into the skin around someone's eyes to make the lines disappear and the skin look younger and more attractive:
Botox injections for wrinkles
II. Botox 2 BrE AmE verb [transitive usually passive] trademark
to use Botox to remove lines on your face:
Getting Botoxed is pretty simple.
He Botoxed his forehead before the next film.