Règle.
ETYM Formerly verrel, French virole, from Latin viriola little bracelet, dim. of viriae, pl., bracelets; prob. akin to viere to twist, weave, and Eng. withe. The spelling with f is due to confusion with Latin ferrum iron.
A metal cap or band placed on a wooden pole to prevent splitting; SYN. collet.
A compressible tubular fitting that is compressed onto a probe inside a compression fitting to form a gas-tight seal.
band on the end of a stick for reinforcing it.