As nouns the difference between poopdeck and aftcastle
is that poopdeck is while aftcastle is (nautical) raised part of the upper deck at the stern of a ship.
aftcastle
English
Noun
(
en noun)
(nautical) Raised part of the upper deck at the stern of a ship.
Synonyms
* aftercastle
* sterncastle
Coordinate terms
* forecastle
Related terms
* poop deck