Main Entry:

¹poi·son

Pronunciation:

\ˈpȯi-z^ən\

Function:

noun

Etymology:

Middle English, from Anglo-French poisun drink, potion, poison, from Latin potion-, potio drink — more at potion

Date:

13th century

1 a: a substance that through its chemical action usually kills, injures, or impairs an organism b (1): something destructive or harmful (2): an object of aversion or abhorrence2: a substance that inhibits the activity of another substance or the course of a reaction or process <a catalyst poison>