Milkshake

1. In most of the country, this is a drink traditionally made with ice cream, milk, and syrup, and beaten on a milkshake mixing machine (see also “frappe”).
2. In Boston and eastern Massachusetts, it is a drink made with milk and syrup (no ice cream), and beaten on a milkshake mixing machine. It is light and frothy, not creamy and thick like the drink described in definition #1.