'We want to experiment with Doxy venom for our Skiving Snackboxes,' George told Harry under his breath.
'You know what?' said Seamus heatedly, casting Harry a venomous look.
Harry could not understand this: had Hagrid perhaps been attacked by some creature whose venom prevented the wounds it inflicted from healing?
'I suppose something in that snake's venom dissolves them or something.
I expect to see a great deal more effort for this weeks essay on the various varieties of venom antidotes, or I shall have to start handing out detentions to those dunces who get a "D'V He smirked as Malfoy sniggered and said in a carrying whisper, 'Some people got a "D"?
Let go of all emotion¡" But Harry's anger at Snape continued to pound through his veins like venom.
There are no more uses of "venom" in the book.
Show samples from other sources
It was a cobra, whose venom could kill a person in minutes.
Paulo Coelho -- The Alchemist
I used elder python venom, straight from the depths of Tartarus.