tunic

(to͞oˈnĭk, tyo͞oˈ-)

1. a. A loose-fitting garment, sleeved or sleeveless, extending to the knees and worn by men and women especially in ancient Greece and Rome.
   b. A medieval surcoat.
2. a. A long, plain, close-fitting jacket, usually having a stiff high collar and worn as part of a uniform.
   b. A long, plain, sleeved or sleeveless blouse.
   c. A short pleated and belted dress worn by women for some sports.
3. Anatomy A coat or layer enveloping an organ or part.
4. Botany A loose membranous outer covering of a bulb or corm, as of the onion, tulip, or crocus.
5. See tunicle.