noun a hood; especially, an ornamental or an official hood.
2. chaperon ·noun a device placed on the foreheads of horses which draw the hearse in pompous funerals.
3. chaperon ·vt to attend in public places as a guide and protector; to matronize.
4. chaperon ·noun a matron who accompanies a young lady in public, for propriety, or as a guide and protector.