Ferrule
WordNet
noun
(1) A metal cap or band placed on a wooden pole to prevent splitting
WiktionaryText
Noun
- A metal band or cap placed around a shaft to reinforce it or to prevent splitting.
- A bushing for securing a pipe joint.
- A metal sleeve placed inside a gutter at the top.
- In billiards, the plastic band attaching the tip to the cue.
- In painting, the pinched metal band which holds the bristles of a brush to the shaft.
- On an ice axe, the metal spike at the end of the shaft.