Defn: One of the Tunicata.

TUNICIN
Tu"ni*cin, n. (Physiol. Chem.)

Defn: Animal cellulose; a substance present in the mantle, or tunic, of the Tunicates, which resembles, or is identical with, the cellulose of the vegetable kingdom.

TUNICLE Tu"ni*cle, n. Etym: [L. tunicula a little tunic, coat, or membrane, dim. of tunica a tunic: cf. OF. tunicle.]

1. A slight natural covering; an integument. The tunicles that make the ball or apple of the eye. Holland.

2. (R. C. Ch.)

Defn: A short, close-fitting vestment worn by bishops under the dalmatic, and by subdeacons.

TUNING
Tun"ing,

Defn: a. & n. from Tune, v. Tuning fork (Mus.), a steel instrument consisting of two prongs and a handle, which, being struck, gives a certain fixed tone. It is used for tuning instruments, or for ascertaining the pitch of tunes.

TUNK
Tunk, n.