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lugsail

American  
[luhg-seyl, luhg-suhl] / ˈlʌgˌseɪl, ˈlʌg səl /

noun

Nautical.

  1. a quadrilateral sail bent upon a yard that crosses the mast obliquely.

lugsail British  
/ ˈlʌɡsəl, lʌɡ /

noun

  1. nautical a four-sided sail bent and hoisted on a yard

"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

Etymology

Origin of lugsail

1670–80; Middle English lugge pole (now dial.; log 1 ) + sail

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.