To put poison into; affect or kill with poison; injure; corrupt.
A substance that when taken into the system tends to cause death or serious injury.
But perhaps the poison was not strong enough. – Marguerite de Valois by Alexandre Dumas
He could not avoid adding this last touch of the poison point. – Gunman's Reckoning by Max Brand
But could we not poison this Dolfin, after all? – Hereward, The Last of the English by Charles Kingsley