co·thur·nus
| \ kō-ˈthər-nəs
\
plural cothurni\ kō-ˈthər-ˌnī
, -(ˌ)nē \
1
or less commonly cothurn \ ˈkō-ˌthərn
, kō-ˈthərn \
: a high thick-soled laced boot worn by actors in Greek and Roman tragic drama
2
: the dignified somewhat stilted style of ancient tragedy