[Formation uncertain: perh. f. LUG v. or LUG sb.2] A four-cornered sail, bent upon a yard which is slung at about one-third or one-fourth of its length from one end, and so hangs obliquely. Also attrib.
1677. Lond. Gaz., No. 1194/4. She is open in the Midships, and sails with a Lugsail, and one Topsail.
1769. Falconer, Dict. Marine (1789), Voile de Fortune, the square or lug sail of a galley or tartane.
1799. Naval Chron., I. 214. A lug-sail boat from Calais.
1892. Stevenson, Across the Plains, 212. The boats with their reefed lugsails scudding for the harbour mouth.
