[prahy-mer-ee, -muh-ree] noun, plural primaries.
1.first or highest in rank or importance; chief; principal:
2.first in order in any series, sequence, etc.
3.first in time; earliest; primitive.
4.of, pertaining to, or characteristic of primary school:
5.constituting or belonging to the first stage in any process.
6.of the nature of the ultimate or simpler constituents of which something complex is made up:
7. a original; not derived or subordinate; fundamental; basic.