peppermint means: A member of Mentha piperita, an herb. It has stiff green pointed leaves with a purple tint and pungent menthol flavors. (in Cooking Dictionary)

What else does peppermint mean?

Hybrid perennial plants (Mentha xpiperita) A mint family member that has small, white or purple flowers. It also contains downy leaves which yield pungent oils. This oil can be used in flavoring as well as in medicinal preparations. (in Merlin Dictionary)

This oil is used to flavor a candy or lozenge. (in Merlin Dictionary)