"metal ring attached to the end of a hawk's jess and connecting it to the leash," 1530s, from Old French vervelle "falcon's leg fetter" (14c.), from Vulgar Latin derivation of Latin vertibulum "joint." Related: Varvels.
varmint
varnish
varsity
varus
varve
varvel
vary
vas
vascular
vasculature
vasculitis