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topsail

/ˈtɑp.seɪl/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about topsail at Wordnik → Where our words come from →

  1. A sail (or either of a pair of sails) immediately above the lowermost sail of a mast and supported by a topmast.

Origin

From Middle English topsail, topsayl, topseyle, topsaill, equivalent to top + sail.

From Wiktionary, via Kaikki.org (CC BY-SA)