To twist and turn; to wriggle; to roll over.
To feel nauseous, to churn (of stomach).
To wobble, to totter, to waver; to walk with an unsteady gait.
An unsteady walk; a staggering or wobbling.
A rumble of the stomach.
To twist, wring (something).
To twist bodily; to contort one's self; to be distorted.
To extort.
To contort (a part of the body).
A contortion.
The number of negative crossings subtracted from the number of positive crossings in a knot