The fur or feathers that grow around the neck of an animal or bird
A large collar with upright folds that people wore in the 16th and 17th centuries
Pressing at his side and burying her nose in his thick ruff, she denied time and fate and the moon’s dominion.
Nutt, Laura Lee (2013-02-28). Red and the Wolf (Kindle Location 983). . Kindle Edition.
Definition from OneLook Online Dictionary