Dreye權威釋義|ferrule

n.

vt.

同義參見:

以上來源於：《英漢大辭典》

/ˈfɛruːl, ˈfɛr(ə)l/

n.

a ring or cap which strengthens the end of a handle, stick, or tube.

▸a metal band strengthening or forming a joint.

C17: alt. (prob. by assoc. with L. ferrum ‘iron’) of obs. verrel, from OFr. virelle, from L. viriola, dimin. of viriae ‘bracelets’.

以上來源於：《簡明牛津英語詞典》