To wiggle or twitch; to move the body, especially the fingers, around nervously or idly.
To cause to fidget; to make uneasy.
A person who fidgets, especially habitually.
A nervous wriggling or twitching motion.
A toy intended to be fidgeted with.
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