gaff-headed sail

English Thesaurus

1. a quadrilateral fore-and-aft sail suspended from a gaff (noun.artifact)

hypernym	:	fore-and-aft sail,
definition	:	any sail not set on a yard and whose normal position is in a fore-and-aft direction (noun.artifact)

part meronym	:	sailing ship, sailing vessel,
definition	:	a vessel that is powered by the wind; often having several masts (noun.artifact)