pucker

v. t. & i. [ imp. & p. p. Puckered p. pr. & vb. n. Puckering. ] [ From Poke a pocket, small bag. ] 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.” Spectator. [ 1913 Webster ]

n. 1. A fold; a wrinkle; a collection of folds. [ 1913 Webster ]

2. A state of perplexity or anxiety; confusion; bother; agitation. [ Prov. Eng. & Colloq. U. S. ] [ 1913 Webster ]