primary_quill
1. [ noun ] (zoology) one of the main flight feathers projecting along the outer edge of a bird's wing
Synonyms: primary primary_feather
Related terms: flight_feather
Similar spelling:   primary_coil
  primary_cell
  primary_syphilis
  primary_school
  primary_care
  primary_election
  primary_tooth
  primary_winding
  primary_feather