1A bag for holding money. Also in plural (humorous): wealth.

2Informal (occasionally derogatory). A person characterized as having or desiring money; a wealthy person. Also of a group of people, a country, etc. Frequently in plural (usually as money-bags or moneybags) with singular concord and sense.

3Cookery (chiefly British). A filled pastry parcel in which the edges of a thin piece of pastry are gathered together around a filling so as to resemble a bag of money.