English Meaning :
(Adjective : (nautical, aeronautical)
(Adverb : At or near or toward the stern of a ship or tail of an airplane)
Example : The area of unknown damage aft near the bow on the starboard side was only a few metres past the housed anchor.
Word Example from TV Shows :
Come quickly, lay AFT
To the break of the poop
(The Big Bang Theory Season 2, Episode 18)