ferrule
noun [ C ] uk/ˈfer.uːl/ us/ˈfer.əl/
（棍子或手柄的）套圈，金属箍
a band, usually made of metal, around something such as a stick or handle
a cane with a silver ferrule 一条带银箍的手杖
She was clutching a closed umbrella by its ferrule. 她拿着一把收起来的伞，手抓在伞柄的套圈上。
- More examples
- The staff is made of ebony and tipped with two inch-deep silver ferrules.
- The handles are all fitted with brass ferrules.
- The paintbrush filaments are firmly set in epoxy resin to ensure minimal loss, and the ferrule is made of stainless steel, so it will not rust or discolour.
- Hold the brush in a similar way to a pencil, with the fingers holding the metal ferrule and the handle resting between the thumb and first finger.
- Some of the fishing rods seem to have plated steel ferrules which rust.