Noun
The sail bent to the foreyard of a square-rigged vessel, being the lowest sail on the foremast.
The gaff sail set on the foremast of a schooner.
The fore staysail of a sloop, being the triangular sail next forward of the mast.
Source: Webster's dictionaryIt thrilled through him when he first felt the keel answer to his hand on the spokes and slide over the long hollows as the foresail scythed back and forth against the blue sky. Rudyard Kipling
The foresail and mainsail were square; the sail on the mizzen was a triangular sail known as a lateen mizzen. Source: Internet
The ship had a smaller topsail on the mainmast above the mainsail and on the foremast above the foresail. Source: Internet