Main Entry:

flex·ion

Pronunciation:

\ˈflek-shən\

Function:

noun

Etymology:

Latin flexion-, flexio, from flectere

Date:

1615

1: the act of flexing or bending2: a part bent : bend3: inflection 34 a: a bending movement around a joint in a limb (as the knee or elbow) that decreases the angle between the bones of the limb at the joint — compare extension 3b b: a forward raising of the arm or leg by a movement at the shoulder or hip joint