What does "budge" mean?

Additional senses

1. 2.Austere or stiff, like scholastics. Those budge doctors of the stoic fur. Milton. Budge bachelor, one of a company of men clothed in long gowns lined with budge, who formerly accompanied the lord mayor of London in his inaugural procession. -- Budge barrel (Mil.), a small copper-hooped barrel with only one head, the other end being closed by a piece of leather, which is drawn together with strings like a purse. It is used for carrying powder from the magazine to the battery, in siege or seacoast service.