noun
- plural of penna; feathers or wing-like structures
Usage: biological/anatomical term
Examples
- The bird’s pennae were carefully examined by the ornithologist.
- Damaged pennae can affect a bird’s ability to fly.
- The specimen’s pennae showed distinctive coloration patterns.
- Scientists studied the microscopic structure of the pennae.
- The molting process involves shedding old pennae for new ones.