[ˈpɔɪzn], (Noun)

Definitions:
- a substance that is capable of causing the illness or death of a living organism when introduced or absorbed
(e.g: he killed himself with poison)

- a substance that reduces the activity of a catalyst


Phrases:
- poison the well
- what's your poison?

Origin:
Middle English (denoting a harmful medicinal draught): from Old French poison ‘magic potion’, from Latin potio(n-) ‘potion’, related to potare ‘to drink’

[ˈpɔɪzn], (Verb)

Definitions:
- administer poison to (a person or animal), either deliberately or accidentally
(e.g: someone had tried to poison me)

- (of a substance) reduce the activity of (a catalyst)


Phrases:
- poison the well
- what's your poison?

Origin:
Middle English (denoting a harmful medicinal draught): from Old French poison ‘magic potion’, from Latin potio(n-) ‘potion’, related to potare ‘to drink’