The forward part of a ship where sailors lived and worked, located below the deck.
From Middle English 'forecastle,' combining 'fore-' (front) and 'castle' (a fortified structure). Medieval ships had castle-like structures at bow and stern; 'forecastle' literally meant the castle at the front, which became the crew's quarters.
Even though it's spelled 'forecastle,' sailors pronounced it 'foke-sul' (rhymes with 'focus'), showing how informal speech can completely reshape how we say words over centuries. This pronunciation difference is one of the most famous examples in English of spelling versus reality!
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