- a loose, gownlike garment worn by men and women in ancient Greece and Rome
- a blouselike garment extending to the hips or lower, usually gathered at the waist, often with a belt
- Chiefly Brit. a short coat forming part of the uniform of soldiers, policemen, etc.
- a vestment worn over the alb, as formerly by a subdeacon, or by a bishop under the dalmatic
- a natural covering of a plant, animal, etc.
Origin of tunicClassical Latin tunica from an unverified form ktunica, of Semitic origin, originally (prob. via Punic), as in Aramaic kt?n?, Phoenician ktn, garment worn next to the skin (from source Classical Greek chit?n)