flexurePronunciation: /ˈflɛkʃə/Definition of flexure noun [mass noun] technical, chiefly Anatomy & Geology the action of bending or curving, or the condition of being bent or curved. [count noun] a bent or curved part:these lesser hills were flexures of the San Andreas systemDerivatives flexural adjective Origin: late 16th century: from Latin flexura, from flectere 'to bend'flexure in other Oxford dictionaries Definition of flexure in the US English dictionary