a small fore-and-aft sail, triangular or square, set on the mainmast of a sailing vessel in foul weather to help keep her head to the wind
WordReference Random House Unabridged Dictionary of American English © 2025
try•sail
(trī′sāl′; Naut. trī′səl),USA pronunciation n. [Naut.]
- Nautical, Naval Termsa triangular or quadrilateral sail having its luff hooped or otherwise bent to a mast, used for lying to or keeping a vessel headed into the wind;
spencer.
- try + sail 1760–70
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'trysail' also found in these entries (note: many are not synonyms or translations):