fore-and-aft sail

noun

any of various sails, as jib-headed sails, gaff sails, lugsails, lateen sails, spritsails, staysails, and jibs, that do not set on yards and whose normal position, when not trimmed, is in a fore-and-aft direction amidships.

Origin of fore-and-aft sail

First recorded in 1810–20