Freeboard

noun

Definitions

Noun
  1. 1
    The vertical distance between the waterline and the uppermost watertight deck of a vessel.
  2. 2
    A type of skateboard which simulates the movement of a snowboard when used on a downhill coarse, allowing snowboarding techniques, which has an addition of two centerline casters that extend below the traditional skateboard wheels and bogies.
  3. 3
    The distance between a water level and the top of something that contains or restrains it (such as a dam).
  4. 4
    The distance between the top of sea ice and the water level.

Etymology

From being a skateboard with an additional degree of freedom of movement (yaw) and some additional rocking (roll) movement.

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