Aspirin (noun)

1. A medicine that is used to reduce pain and inflammation, and to lower fever.
2. A drug that is used to relieve pain, reduce inflammation, and lower fever.

Origin:

Early 20th century: from german aspirin, trademark, from acetylt salicylic acid.

Examples:

1. She took an aspirin for her headache.
2. The aspirin bottle was empty.
3. The aspirin was prescribed by the doctor.
4. Aspirin is a common over-the-counter pain reliever.
5. The aspirin was used to lower fever.