(n.) Any agent which, when introduced into the animal organism,
is capable of producing a morbid, noxious, or deadly effect upon it;
as, morphine is a deadly poison; the poison of pestilential diseases.
(n.) That which taints or destroys moral purity or health; as,
the poison of evil example; the poison of sin.
(n.) To put poison upon or into; to infect with poison; as, to
poison an arrow; to poison food or drink.
(n.) To injure or kill by poison; to administer poison to.
(n.) To taint; to corrupt; to vitiate; as, vice poisons
happiness; slander poisoned his mind.
(v. i.) To act as, or convey, a poison.
