Lewis & Short

cōrycēum, i, n., = κωρυκεῖον, the place in the palæstra where the athletae exercised themselves by striking a suspended sack filled with fig-grains, flour, sand, etc. (v. Lidd. and Scott, s. v. κώρυκος, II.), Vitr. 5, 11, 2; cf. 1. corycus.