Calotte is a noun that refers to a small skullcap or a simple coif, often worn by clergy or nuns. Synonyms for this word include skullcap, coif, cap, bonnet, headgear, and hood. A skullcap is a tight-fitting head covering usually made of fabric that covers the crown of the head. A coif is a close-fitting cap worn as a headdress or protective covering. A cap typically covers the head and is secured under the chin, while a bonnet is a type of cap that often ties under the chin, with a brim to protect the face. Headgear refers to various types of hats or helmets worn on the head, while a hood is a garment that covers the head and neck.