noun
- One of the main flight feathers projecting along the outer edge of a bird's wing.
- synonyms: primary, primary feather
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). primary quill. Retrieved September 20, 2026, from http://smartdefine.org/primary_quill/definitions/1303873 |
| Chicago | WordNet. 2010. "primary quill" http://smartdefine.org/primary_quill/definitions/1303873 (accessed September 20, 2026). |
| Harvard | WordNet 2010, primary quill, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/primary_quill/definitions/1303873>. |
| MLA | WordNet. "primary quill" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/primary_quill/definitions/1303873> |