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WordReference Random House Unabridged Dictionary of American English © 2024fer•rule (fer′əl, -o̅o̅l),USA pronunciation n., v., -ruled, -rul•ing. n. - Buildinga ring or cap, usually of metal, put around the end of a post, cane, or the like, to prevent splitting.
- Buildinga short metal sleeve for strengthening a tool handle at the end holding the tool.
- Buildinga 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.
- Buildinga short ring for reinforcing or decreasing the interior diameter of the end of a tube.
- Buildinga 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.
- Sport[Angling.]
- 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.
- one of two or more small rings spaced along the top of a casting rod to hold and guide the line.
v.t. - to furnish with a ferrule.
Also, ferule. - Latin viriola, equivalent. to viri(a) bracelet + -ola -ole1
- Middle French (cognate with Medieval Latin virola)
- alteration (apparently conformed to Latin ferrum iron, -ule) of verrel, verril, late Middle English virole 1605–15
Collins Concise English Dictionary © HarperCollins Publishers:: ferrule, ferule /ˈfɛruːl -rəl/ n - 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
- a bush, gland, small length of tube, etc, esp one used for making a joint
Etymology: 17th Century: from Middle English virole, from Old French virol, from Latin viriola a little bracelet, from viria bracelet; influenced by Latin ferrum iron |