pinna

https://doi.org/10.1351/goldbook.11093
  1. Externally visible portion of the ear. See also: auricle
  2. Feather or fin.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 792 [Terms] [Paper]