ferrule: Word of the day for October 10, 2018
ferrule , n : A band or cap (usually metal) placed around a shaft to reinforce it or to prevent splitting. (specifically, climbing) The metal spike at the end of the shaft of an ice axe. A band holding parts of an object together. A bushing for securing a pipe joint. A metal sleeve placed inside a gutter at the top. (billiards) The plastic band attaching the tip to the cue. (painting) The pinched metal band which holds the bristles of a paintbrush to the shaft.