noun a close cap without visor or brim.
2. callot ·noun such a cap, worn by english serjeants at law.
3. callot ·noun such a cap, worn by the french cavalry under their helmets.
4. callot ·noun such a cap, worn by the clergy of the roman catholic church.
5. callot ·noun a plant coif or skullcap. ·same·as calotte.