mainsail

[meyn-seyl; Nautical meyn-suh l]

Origin of mainsail

late Middle English word dating back to 1425–75; see origin at main1, sail
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Examples from the Web for mainsail

Historical Examples of mainsail


British Dictionary definitions for mainsail

mainsail

noun
  1. nautical the largest and lowermost sail on the mainmast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012