Chapter Cosmoramic to Cothurnate of C by Webster's Dictionary (1913 Edition)

Cothurn
(Co"thurn) n. [L. cothurnus, Gr. . Cf. Cothurnus.] A buskin anciently used by tragic actors on the stage; hence, tragedy in general.

The moment had arrived when it was thought that the mask and the cothurn might be assumed with effect.
Motley.

Cothurnate
(Co*thur"nate Co*thur"na*ted) a.

1. Wearing a cothurn.

2. Relating to tragedy; solemn; grave.