Forecastle is specifically used in maritime contexts relating to a ship's structure. He spent his watch on the forecastle, scanning the horizon.
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Pronunciation
Forecastle is often pronounced as 'fohk-suhl', which can be unexpected based on its spelling. The new crew member was corrected on his pronunciation of 'forecastle' during his orientation.
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Ship Area
The forecastle is not just any front area, but specifically an upper deck section at a ship's bow. During the storm, waves crashed over the forecastle, drenching the sailors.