terret
/ˈterɪt/noun
- each of the loops or rings on a horse's harness pad for the driving reins to pass through（马鞍上供穿缰用的）鞍环。
词源
late 15th cent. （denoting either of two rings by which a leash is attached to a hawk's jesses）： from Old French touret, diminutive of tour 'a turn'.