What is another word for ferrule?
Pronunciation: [fˈɛɹuːl] (IPA) 
A ferrule is typically a metal or plastic ring that is used to reinforce or secure the end of a tube or structural element. However, there some alternative words for ferrule that can be used depending on the context. One such word is a bushing, which is a sleeve-shaped device used to reduce friction or wear or to align mechanical components. A collar is another possible synonym that refers to a ring or sleeve that fits tightly around a shaft or other cylindrical object for support or attachment. A sleeve, on the other hand, can be used to describe a tubular covering that encloses or protects a part or component. Nonetheless, all these words are essentially used interchangeably in various contexts.
