1. sliding rings or collars that secure a yard or gaff to a mast on a sailing ship
Usage: nautical

Examples

• The sailor checked the parrels to ensure the yard was properly secured to the mast.
• Old wooden parrels were replaced with modern metal fittings on the restored schooner.
• The parrels allowed the sail to move freely while keeping it attached to the rigging.
• Maritime museums often display various types of parrels used in traditional sailing.
• The crew adjusted the parrels before setting sail in the strong winds.