noun

• (countable) Any green, leafy plant, or parts thereof, used to flavour or season food.
• (countable) A plant whose roots, leaves or seeds, etc. are used in medicine.
• (uncountable, slang) Cannabis.
• (countable, botany) A plant whose stem is not woody and does not persist beyond each growing season
• (uncountable, obsolete) Grass; herbage.
• (countable, US, slang) (always with pronounced /h/) A lame or uncool person.
• A diminutive of the male given name Herbert