1) Ancient Roman art 2) Ancient Roman erotic art 3) Early musical instrument 
A Tintinnabulum is a bell mounted on a pole, placed in a Roman Catholic Basilica to signify the church`s link with the Pope. The tintinnabulum consists of a small gold bell within a golden frame crowned with the papal tiara and Keys of Heaven. If the Pope was to say Mass within the Basilica, the tintinnabulum would be used to lead the very specia....
percussion instrument of many bells in succession
• (n.) A bell; also, a set or combination of bells or metal plates used as a musical instrument or as a toy.
Tin`tin·nab'u·lum noun ; plural Tintinnabula . [ Latin , a bell. See Tintinnabular .] A bell; also, a set or combination of bells or metal plates used as a musical instrument or as a toy. 
tintinnabulum (s), tintinnabula (pl) 1. To ring, to jingle, to tinkle. 2. A small, tinkling bell. 3. A small bell with a high clear ring.