DICT.TW Dictionary Taiwan

 puckering
 焊縫皺皮; 折皺

 Puck·er v. t. & i. [imp. & p. p. Puckered p. pr. & vb. n. Puckering.]  To gather into small folds or wrinkles; to contract into ridges and furrows; to corrugate; -- often with up; as, to pucker up the mouth. “His skin [was] puckered up in wrinkles.”