plication

Noun

• the act of folding in parallel folds

• 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
    

Related words

• Synonyms: 
  pleating , fold , crease , flexure , crimp , bend