ETYM Old Eng. purs, pors, Old Fren. burse, borse, bourse, French bourse, Late Lat. bursa, from Greek byrsa hide, skin, leather. Related to Bourse, Bursch, Bursar, Buskin.
1. A small bag for carrying money.
2. A sum of money offered as a prize.
3. A sum of money spoken of as the contents of a money purse.

ETYM Obs. and r.
1. To contract one's lips into a rounded shape.
2. To gather or contract into wrinkles or folds; pucker; SYN. wrinkle.