noun. the externally visible cartilaginous structure of the external ear.
- cauliflower ear
- ear lobe
- cartilaginous structure
- outer ear
noun. division of a usually pinnately divided leaf.
Example sentences of the word pinna
1. Noun, singular or mass
In order to perform this test, you just need to scratch your puppy right along the edge of his ear flap (pinna).
2. Verb, base form
Although only part of the ear flap -- or pinna -- usually is swollen, it's possible that the hematoma affects the entire ear.