n. 前桅帆

[ noun ]
the lowest sail on the foremast of a square-rigged vessel
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Foresail \Fore"sail`\, n. (Naut.)
(a) The sail bent to the foreyard of a square-rigged vessel,
being the lowest sail on the foremast.
(b) The gaff sail set on the foremast of a schooner.
(c) The fore staysail of a sloop, being the triangular sail
next forward of the mast.