marinade means: Seasoned liquid is usually made up of an acid and in which food such as meats or vegetables have been marinated prior to being cooked. (in Cooking Dictionary)

What else does marinade mean?

Vinegar and oil are common ingredients in seasoned liquids. These liquids allow food to be soaked to enhance flavor. (in Cooking Dictionary)

Vinegar, wine, oil, and various spices are used to make a liquid mix that is used for soaking meats, fowls, fish and vegetables before they can be cooked. (in Merlin Dictionary)

Marinate (to soak) food in this mixture. (in Merlin Dictionary)