A sauce, typically made of oil, vinegar, spices, and herbs, in which meat, fish, or other food is soaked before cooking to enhance its flavor or tenderness.
The chicken was left in a spicy marinade overnight to absorb the flavors.
marinadeverb
To soak food, especially meat, in a seasoned liquid mixture before cooking to enhance its flavor or tenderness.
She decided to marinade the chicken overnight to ensure it was flavorful and tender.