leash
noun
a chain, strap, etc., for controlling or leading a dog or other animal; lead.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The people should see what manner of chief was heir to his dozen tribes, and what a white beast he had leashed.
From The Pocahontas-John Smith Story by Pocahontas Wight Edmunds