Anything that is injurious, destructive, or fatal
An animal poison
The venom of the various kinds of snakes acts differently.
She spoke, venom in her voice.
Venom replaced saliva and his jaw began to ache.
The ache returned to his jaw as he swallowed venom, and the fangs painfully emerged.
The toxicity or relative strength of the cobra venom has been calculated to be sixteen times that of the European viper.