noun. The part of a ship's deck past amidships toward the stern.

noun. The part of a ship's deck from amidships toward the stern

noun. a deck abaft of midships

"For prime sunset views, while away the evening at Louie's Backyard, where the "afterdeck" bar and dining area overlook the Atlantic Ocean."

deck  

audience-room  berth deck  bitwise  bucketful  cookroom