noun. act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased.
noun. the state of being flexed (as of a joint).
noun. an angular or rounded shape made by folding.
1. Noun, singular or mass Polyethylene costs more than polypropylene to make and comes in second behind polypropylene as a material choice for living hinges, a type of flexure hinge made from the same material as the rigid pieces it binds together.