v. & n.
v.tr. & intr. (often foll. by up) gather or cause to gather into wrinkles, folds, or bulges (puckered her eyebrows; this seam is puckered up).
n. such a wrinkle, bulge, fold, etc. puckery adj.
[ prob. frequent., formed as POKE(2), POCKET (cf. PURSE) ]