pucker

Meanings

• an irregular fold in an otherwise even surface (as in cloth)
• to gather something into small wrinkles or folds
  • "She puckered her lips"
• draw together into folds or puckers
• become wrinkled or drawn together
  • "her lips puckered"

Synonyms

cockle, crumple, gather, knit, ruck, ruck up, rumple, tuck