- Aft is defined as the rear end of a ship or aircraft.
An example of aft is the opposite end of ship from the front.
aft definition by Webster's New World
Origin: Middle English afte ; from Old English æftan (akin to Gothic aftana, from behind ; from afta, behind, farthest back) ; from Indo-European base an unverified form af-, off, away
aft definition by American Heritage Dictionary
adverb & adj.
Origin: Middle English afte, back, from Old English ǽftan, behind; see apo- in Indo-European roots.