cothurnate

from The Collaborative International Dictionary of English v.0.48

Cothurnate \Co*thur"nate\ (k?-th?r"n?t), Cothurnated
\Co*thur"na*ted\ (-n?-t?d), a.
   1. Wearing a cothurn.
      [1913 Webster]

   2. Relating to tragedy; solemn; grave.
      [1913 Webster]