Primary

1. First in order of time or development or in intention; primitive; fundamental; original.
2. A primary meeting; a caucus.
3. A primary planet; the brighter component of a double star. See under Planet.
4. Earliest formed; fundamental.
5. That which stands first in order, rank, or importance; a chief matter.
6. First in order, as being preparatory to something higher; as, primary assemblies; primary schools.
7. First in dignity or importance; chief; principal; as, primary planets; a matter of primary importance.
8. Illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement.
9. One of the large feathers on the distal joint of a bird's wing. See Plumage, and Illust. of Bird.