herb

noun6

1. •
   Any green, leafy plant, or parts thereof, used to flavour or season food.
2. •
   A plant whose roots, leaves or seeds, etc. are used in medicine.

   • If any medicinal herbs used by witches were supposedly evil, then how come people from at least the past benefited from the healing properties of such herbs?
3. •
   A plant whose stem is not woody and does not persist beyond each growing season.
4. •
   (slang) Cannabis.

   • The room was thick and sour with the smell of herb. — 1981
5. •
   (US, slang) (always with pronounced /h/) A lame or uncool person.

   • George (AO) describes the tie between fighting and respect: 'Cause some people could come up to you and say, “Ah, he's a herb, he can't fight. He's nothing.” — 2008
6. •
   (no longer used) Grass; herbage.