The term MEDICINE HOLDER can be broken down into two crossword solutions: VIAL (4 letters). A VIAL is a small container, usually made of glass or plastic, that is used to store and transport medicine. It is often cylindrical in shape and has a narrow neck with a cap or stopper. Vials are commonly used in medical settings to store and dispense medications, such as pills, liquids, and powders. They are also used in laboratories to store samples for testing.