In a ship, the narrow tapering section of the hull at the stern (rear), located between the aft-most cabins and the rudderpost.
Compound of 'after' and 'peak' (Old Norse peikr, a point or corner). This specialized naval architecture term emerged in 17th-century English shipbuilding vocabulary.
The afterpeak is one of the trickiest spaces to design in a ship because it must be waterproof, structurally strong, and fit specialized equipment—naval architects call it the 'puzzle piece' of ship design.
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