1. a metal ring or cap placed around the end of a stick, tube, or other object to strengthen it or prevent splitting

Examples

• The ferrule on the walking stick prevented the wood from cracking.
• She replaced the worn ferrule at the tip of her umbrella.
• The fishing rod’s ferrule connected the two sections securely.
• A brass ferrule reinforced the end of the wooden handle.
• The pencil’s metal ferrule held the eraser in place.
• Without the ferrule, the pool cue would have split from repeated use.