Mainsail

the largest sail of a dinghy

Mainsail

A mainsail is a sail located behind the main mast of a sailing vessel. On a square rigged vessel, it is the lowest and largest sail on the main mast. On a fore-and-aft rigged vessel, it is the lowest and largest and often the only sail rigged aft of the main mast, and is controlled along its foot by a spar known as the boom. A sail rigged in this ...
Found on http://en.wikipedia.org/wiki/Mainsail

Mainsail

• (n.) The principal sail in a ship or other vessel.
Found on http://thinkexist.com/dictionary/meaning/mainsail/

mainsail

noun the lowermost sail on the mainmast
Found on https://www.encyclo.co.uk/local/20974

Mainsail

Main'sail` (mān'sāl`) noun (Nautical) The principal sail in a ship or other vessel. « [ They] hoised up the mainsail to the wind.» Acts xxvii. 40. » The mainsail of a ship is extended upon a yard attached to the mainmast, and that of a sloop...
Found on http://www.encyclo.co.uk/webster/M/9

mainsail

principal sail on a ship's mainmast
Found on http://phrontistery.info/m.html

mainsail

principal sail on a ship's mainmast
Found on http://phrontistery.info/nautical.html

Mainsail

The largest sail. (Except for the spinnaker.)
Found on http://www.encyclo.co.uk/local/20645

Mainsail

The lowest square sail on the mainmast.
Found on http://www.sailinglinks.com/glossary.htm

Mainsail

The sail behind the mast.
Found on https://www.encyclo.co.uk/local/21233

mainsail

[n] - the lowermost sail on the mainmast
Found on http://www.webdictionary.co.uk/definition.php?query=mainsail
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