- tunic, tunica, adventitia - an enveloping or covering membrane or layer of body tissue
--1 is a kind of membrane, tissue layer
--1 has particulars: albuginea - tunic - any of a variety of loose fitting cloaks extending to the hips or knees
--2 is a kind of cloak
--2 has particulars:chiton; gymslip; kameez; kirtle; surcoat; tabard