Definition of "parrel"

Excavating with the suction dredge, the field crew located a parrel, and a second parrel was found a short distance away.

1998, Donna J. Souza, The Persistence of Sail in the Age of Steam: Underwater Archaeological Evidence from the Dry Tortugas, Springer, page 76

The batten parrels are best made of large diameter polypropylene line because it slides well.

2007, Derek Van Loan, The Chinese Sailing Rig: Design and Build Your Own Junk Rig, 2nd edition, Paradise Cay Publications, page 64

The earliest form of parrel was probably a rope loosely lashed about the mast and yard.

2012, Henry B. Culver, The Book of Old Ships: From Egyptian Galleys to Clipper Ships, Dover Publications, page 229