A form of acrobatic display which involves the dramatic bending and flexing of the human body.
The act of contorting, twisting or deforming something, especially oneself.
A ligament that limits the movement of an organ or part.
A bond or link signifying union.
A horizontal line over the top of some of the terms in an expression, indicating that that part of the calculation is to be done before other parts.
Specifically, the horizontal line between the numerator and denominator in a fraction.