unweight

[uhn-weyt]
verb (used without object)
  1. Skiing. to lessen downward force and friction between the skis and the snow by a quick upward or downward shifting of the body or by using bumps in the terrain.

Origin of unweight

First recorded in 1935–40; un-2 + weight
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018