Definition of parrel in US English:

parrel

(also parrill, parral, parr'l)

noun

Nautical
  • A sliding band of rope or metal attaching a spar or sail to a mast while allowing it vertical movement.

Origin

Middle English; earliest use found in Exchequer Accounts. Either aphetic from apparel, or from Middle French parail rigging, or shortened from its etymon Anglo-Norman and Old French apparail, although attested slightly earlier than any of these in the relevant sense. Compare post-classical Latin parella (c.1450).