|Origin:||'drink, poisonous drink, poison', from Latin potio; POTION|
1 [uncountable and countable]D
a substance that can cause death or serious illness if you eat it, drink it etc:
Belladonna and red arsenic are deadly poisons.
a box of rat poison (=poison to kill rats)
He swallowed some type of poison.
something such as an emotion or idea that makes you behave badly or become very unhappy:
Hatred is a poison that will destroy your life.
3 old-fashioned spoken
a humorous way of asking which alcoholic drink someone would like