cider means: It is almost always made of pressed apples. It is considered alcoholic by many, though not all. The US use is that “cider”, not “hard cider”, is alcoholic. (in Cooking Dictionary)

What else does cider mean?

Fermented juice made from fruits, particularly apples, and used to make beverages or other products such as vinegar. (in Merlin Dictionary)

A fermented juice from fruits, such as apples, is used to make an alcoholic beverage. (in Merlin Dictionary)