'Lugsail' definitions:
Definition of 'lugsail'
From: WordNet
noun
A sail with four corners that is hoisted from a yard that is oblique to the mast [syn: lugsail, lug]
Definition of 'Lugsail'
From: GCIDE
- Lugsail \Lug"sail`\, n. (Naut.) A square sail bent upon a yard that hangs obliquely to the mast and is raised or lowered with the sail. --Totten. [1913 Webster]