noun
double course
Refers to a meal or set menu with two main dishes, or a plan/route that combines two elements. Common in restaurant and travel contexts.
このレストランでは、ダブルコースを注文するとステーキと魚の両方が楽しめます。
At this restaurant, if you order the double course, you can enjoy both steak and fish.
Variant with interpunct; less common in everyday writing.
From English 'double course'.