They built a tree house in the tortuosities of its boughs. The acrobat performed incredible contortions.
source: WordNet 3.0
a twisting force
source: WordNet 3.0
The act of turning or twisting, or the state of being twisted; the twisting or wrenching of a body by the exertion of a lateral force tending to turn one end or part of it about a longitudinal axis, while the other is held fast or turned in the opposite direction.
