primaries

1. a preliminary election where delegates or nominees are chosenSynonyms: primary, primary election

2. one of the main flight feathers projecting along the outer edge of a bird's wingSynonyms: primary, primary feather, primary quill

3. (astronomy) a celestial body (especially a star) relative to other objects in orbit around itSynonyms: primary

4. coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuitExamples: "current through the primary coil induces current in the secondary coil"Synonyms: primary, primary coil, primary winding