To look at out of the corner of one's eye, particularly with animosity, or in a judgmental or suspicious manner.
A sidelong look, particularly of animosity, judgment, or suspicion.
To twist bodily; to contort one's self; to be distorted.
To twist, wring (something).
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