Naut. a loop of rope, chain, etc. or metal collar used to join a yard or gaff to a mast in such a way that it can be moved up and down
Origin of parrelMiddle English perell, variant, variety of parail, aphetic for aparail, equipment: see apparel
A sliding loop of rope or chain by which a running yard or gaff is connected to, while still being able to move vertically along, the mast.
Origin of parrelMiddle English perel, parrail short for appareil apparel, rigging ; see apparel .