poison
noun
[ ˈpɔɪz(ə)n ]
• a substance that is capable of causing the illness or death of a living organism when introduced or absorbed.
• "he killed himself with poison"
• a substance that reduces the activity of a catalyst.
poison
verb
• administer poison to (a person or animal), either deliberately or accidentally.
• "someone had tried to poison me"
Similar:
administer poison to,
give poison to,
murder,
• (of a substance) reduce the activity of (a catalyst).
Origin:
Middle English (denoting a harmful medicinal draught): from Old French poison ‘magic potion’, from Latin potio(n- ) ‘potion’, related to potare ‘to drink’.