leash
noun [ C ] mainly US uk/liːʃ/ us/liːʃ/ (UK usually lead)
（拴狗等动物用的）绳索，链子
a piece of rope, chain, etc. tied to an animal, especially to a dog at its collar when taking it for a walk
Please keep your dog on a leash when on the beach. 在海滩上请牵住你的狗。
Compare: tether noun