Peppermint (noun)

1. A perennial plant having leaves that are used as a flavoring and a mild stimulant.
2. A strong, clear, mint-flavored oil used as a flavoring and a medicine.

Origin:

From pepper + mint, from middle english peperminte, from old english pipermynte.

Examples:

1. He offered her a peppermint candy.
2. The tea was flavored with peppermint.
3. The peppermint plant is a hybrid of watermint and spearmint.
4. Peppermint oil is used as a natural remedy for headaches.
5. The aroma of peppermint was invigorating.