A leguminous plant of the genus Medicago. The black medic is the Medicago lupulina; the purple medic, or lucern, is M. sativa.
- Any of several Old World herbs of the genus Medicago in the pea family, having clusters of small, usually yellow flowers and compound leaves with three leaflets. Several species are important for fodder and green manure.
- A member of a military medical corps.
- A physician or surgeon.
- A medical student or intern.