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The vertical part of a vessel's bow between the waterline and the main deck where the sides of the vessel come together. Most stems are angled forward to increase buoyancy as the vessel dips through the waves, but some older vessels (e.g. "TITANIC") were designed with a plumb (i.e. straight up and down) bow.

The timber at the extreme forward part of a boat secured to the forward end of the keel.

The junction of the planking at the forward end of a typical hull.

The member to which the planking attaches at this junction.
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