Source : Webster's Revised Unabridged Dictionary (1913)

Pucker \Puck"er\, 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.