1. A round, flat-topped cap with a stiff brim, worn especially by clergy or in military and academic contexts.
Usage: Also spelled 'biretta' (more common in English).; Chiefly historical or ceremonial.

Examples

• The cardinal wore a red berretta as part of his formal vestments.
• In Renaissance paintings, scholars are often depicted wearing a berretta.
• The military academy's dress uniform included a berretta as headgear.
• He adjusted his berretta before entering the ceremonial procession.