foreplane

From fore- +‎ plane.

 

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foreplane

Wikipedia

foreplane (plural foreplanes)

1. (nautical, aeronautics) A relatively flat surface located well forward of a vehicle's center of gravity used for stability and, when movable, used for steering and attitude control; common on submarines, also used on surface ships and aircraft.

• (nautical): bowplane
• (aeronautical): canard