flexure

Noun

• act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased

• an angular or rounded shape made by folding
  • a fold in the napkin
    
  • a crease in his trousers
    
  • a plication on her blouse
    
  • a flexure of the colon
    
  • a bend of his elbow
    

• the state of being flexed (as of a joint)

Related words

• Synonyms: 
  flexion , fold , crease , plication , crimp , bend , flection