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Meaning of studdingsail

stud•ding•sail

Pronunciation: (stud'ing-sāl" [key]
— n. Naut. Naut.
  1. a light sail, sometimes set outboard of either of the leeches of a square sail and extended by booms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.