(nautical) The stern portion of a vessel.

(nautical) At, near, or towards the stern of a vessel (with the frame of reference within the vessel).

located at the back of a boat, ship, or airplane

(dated slang) Alternative form of afternoon: the time of day from noon until early evening.

Initialism of American Federation of Teachers.

Positioned at or near the back

plural of aft

(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).

Alternative spelling of aftmost

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