Definition of ferrule in US English:



  • 1A ring or cap, typically a metal one, which strengthens the end of a handle, stick, or tube and prevents it from splitting or wearing.

    • ‘The tips, called ferrules, of lower quality poles will wear off, but a good cross country ski or outdoor shop will have replacement tips in stock or can order them.’
    • ‘It is also the last of a line of pencils featuring a distinctive rectangular ferrule with a unique, replaceable eraser.’
    • ‘There are cue makers, and other experts in cue stick behavior, that have very strong opinions about the pros and cons of various cue stick shafts, ferrules and tips.’
    • ‘Against the geometric shapes of globe and pole, and within the rectangular surface of the arras itself, appears the point, which turns out to be the ferrule of a rod, which turns out to be a fan, which opens into the tail of the bird.’
    • ‘A ferrule should be attached to the end of the cue, which the tip attaches to.’
    • ‘Plungers push glue-filled ferrules onto pencil ends, and others fill them with plugs.’
    lid, top, stopper, cork, bung, spile
    View synonyms
    1. 1.1 A metal band strengthening or forming a joint.
      • ‘The other end of the ferrule is connected to the supply pipe to the property.’
      • ‘The ferrule joint includes a ferrule and an element telescopically insertable into the ferrule to frictionally interlock two rod sections.’


Early 17th century: alteration (probably by association with Latin ferrum ‘iron’) of obsolete verrel, from Old French virelle, from Latin viriola, diminutive of viriae ‘bracelets’.