D defs.my
Entry 2 senses Webster, 1913

Tunicle

· Tu·ni·cle · IPA /ˈtjuːnɪkəl/
01 n. A slight natural covering; an integument.
  1. 1.
    A slight natural covering; an integument.
    “The tunicles that make the ball or apple of the eye.” Holland.
  2. 2.
    A short, close-fitting vestment worn by bishops under the dalmatic, and by subdeacons.(R. C. Ch.)