What does milk shake mean in cooking?

milk shake means: Mix milk, ice cream and syrup in a blender. Blend until softened enough that you can savor it with a straw. (in Cooking Dictionary)

What else does milk shake mean?

• Mixture of milk and flavoring with ice cream. Shaken or whipped until foamy. (in Merlin Dictionary)
• This beverage is made from milk and flavor syrup. It’s whipped to foam. (in Merlin Dictionary)