The sheep bell, or the bell attached to a sheep's neck, is known by several different names depending on the region and culture. In some areas, it's referred to as a sheep's bell, while in others, it's known as a cow bell. The tinkle bell is another synonym that's used for the sheep bell, mainly in regions where it's a small bell. In some parts of Eastern Europe, it's called karkulka. Some people also refer to it as a bellwether, which is a metaphorical term that refers to someone or something that leads or indicates trends or movements. Other synonyms for the sheep bell include farm bell, livestock bell, or simply the bell.