Cothurn \Co"thurn\ (k?"th?rn), n. [L. cothurnus, Gr. ????. Cf.
{Cothurnus}.]
A buskin anciently used by tragic actors on the stage; hence,
tragedy in general.
[1913 Webster]
The moment had arrived when it was thought that the
mask and the cothurn might be assumed with effect.
--Motley.
[1913 Webster] Cothurnate