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ferrule

American  
[fer-uhl, -ool] / ˈfɛr əl, -ul /
Or ferule

noun

  1. a ring or cap, usually of metal, put around the end of a post, cane, or the like, to prevent splitting.

  2. a short metal sleeve for strengthening a tool handle at the end holding the tool.

  3. a bushing or adapter holding the end of a tube and inserted into a hole in a plate in order to make a tight fit, used in boilers, condensers, etc.

  4. a short ring for reinforcing or decreasing the interior diameter of the end of a tube.

  5. a short plumbing fitting, covered at its outer end and caulked or otherwise fixed to a branch from a pipe so that it can be removed to give access to the interior of the pipe.

  6. Angling.

    1. either of two fittings on the end of a section of a sectional fishing rod, one fitting serving as a plug and the other as a socket for fastening the sections together.

    2. one of two or more small rings spaced along the top of a casting rod to hold and guide the line.


verb (used with object)

ferrules, present (3rd person singular) ferruled, past participle, past ferruling present participle
  1. to furnish with a ferrule.

ferrule British  
/ ˈfɛruːl, -rəl /

noun

  1. a metal ring, tube, or cap placed over the end of a stick, handle, or post for added strength or stability or to increase wear

  2. a side opening in a pipe that gives access for inspection or cleaning

  3. a bush, gland, small length of tube, etc, esp one used for making a joint

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to equip (a stick, etc) with a ferrule

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of ferrule

1605–15; alteration (apparently conformed to Latin ferrum iron, -ule ) of verrel, verril, late Middle English virole < Middle French (cognate with Medieval Latin virola ) < Latin viriola, equivalent to viri ( a ) bracelet + -ola -ole 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"I don't even know if it was the cue, the ferrule or me. There were three things," he said.

From BBC May 3, 2025

The price includes up to 10 characters of stamping in one of 12 paintfills, with a number of shaft, grip, shaft band and ferrule options.

From Golf Digest Apr. 3, 2019

Cosmetically, there is an addition of a ferrule for the first time ever on a G-Series iron.

From Golf Digest Oct. 16, 2013

A small collection of items that can help save a day when it starts heading south �rod guides, ferrule cement, a lighter, super glue and a needle and thread.

From Time Magazine Archive

Henry stopped to watch them at a distance, resting the ferrule of his umbrella on the toe of his khaki-gaitered shoe.

From "The Secret History" by Donna Tartt

The analysts continue to see sales growth for the electric and electronics equipment company’s products like super-high-density optical cables and ferrules.

From The Wall Street Journal Jun. 5, 2026

It’s hard to get off my paint brush ferrules and work ladders.

From Seattle Times May 20, 2024

Other options included choices of shafts, grips, shaft bands and ferrules.

From Golf Digest Jun. 7, 2017

Kenny worked to get the invention patented and secured arrangements with manufacturers to make parts - blades, tips, ferrules, and, most important, rings.

From Washington Times Oct. 12, 2014

Split bamboo, made by a Mr. Nishi, the ferrules smooth, silk wrapped.

From "Snow Falling on Cedars: A Novel" by David Guterson

Still, he told them never to take a step without sounding the ground with the ferruled staff with which each was equipped.

From A Winter Amid the Ice and Other Thrilling Stories by Verne, Jules

They will learn probity and goodness, and it will not be ferruled into them either.

From The Aldine, Vol. 5, No. 1., January, 1872 A Typographic Art Journal by Various

The staves at each end, to which the nets are permanently attached, are made of red deal, ferruled and jointed at the middle, in the manner of a fishing rod, for the convenience of carriage.

From Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy. by Browne, Montagu

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