(nautical, of the orientation of the sails of a ship) parallel with the keel, that is, going from bow to stern (as opposed to square-rigged).

(nautical) From the bow of a ship to the stern; lengthwise. / At both ends of a vessel. / Everywhere on a vessel.

plural of fore and aft rig

(nautical) A sailing rig consisting of sails set mainly along the line of the keel.

plural of fore-and-aft cap

side cap

(nautical, of a ship) having its main sails rigged onto spars or stays parallel to the keel / (nautical, of a sail) rigged in this manner