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The Collaborative International Dictionary of English v.0.48 (gcide)

Ferrule \Fer"rule\ (f[e^]r"r[i^]l or f[e^]r"r[.u]l; 277), n.
[Formerly verrel, F. virole, fr. L. viriola little bracelet,
dim. of viriae, pl., bracelets; prob. akin to viere to twist,
weave, and E. withe. The spelling with f is due to confusion
with L. ferrum iron.] [Sometimes spelled {ferule}.]
1. A ring or cap of metal put round a cane, tool, handle, or
other similar object, to strengthen it, or prevent
splitting and wearing.
[1913 Webster]

2. (Machinery) Any of various circular or cylindrical metal
objects used at joints in a tube, pipe, or rod, especially
to assist making a tight seal at a joint.
[PJC]

3. Hence: (Steam Boilers) A bushing for expanding the end of
a flue to fasten it tightly in the tube plate, or for
partly filling up its mouth.
[1913 Webster]

4. Hence: (Chemistry) A bushing used at the joints of metal
tubing in HPLC equipment to make a tight seal.
[PJC]

5. (Fishing) One of several small rings at the top of a
casting rod which holds the fishing line. --RHUD
[PJC]


Ferule \Fer"ule\ (? or ?; 277), n. [L. ferula: cf. F. f['e]rule.
See {Ferula}.]
1. A flat piece of wood, used for striking, children, esp. on
the hand, in punishment.
[1913 Webster]

2. A {ferrule}. [R.]
[PJC]


Ferule \Fer"ule\, v. t. [imp. & p. p. {Feruled}; p. pr. & vb. n.
{Feruling}.]
To punish with a ferule.
[1913 Webster]

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