pinna

noun pin·na \ ˈpi-nə \

Definition of pinna

plural pinnae play \ˈpi-ˌnē, -ˌnī\ or pinnas
1 a : a projecting body part (such as a feather, wing, or fin)
b : the largely cartilaginous projecting portion of the external ear — see ear illustration
2 : a leaflet or primary division of a pinnate leaf or frond

Recent Examples of pinna from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pinna.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pinna

New Latin, from Latin, feather, wing — more at pen


Medical Dictionary

pinna

noun pin·na \ ˈpin-ə \

medical Definition of pinna

plural pinnae play \ˈpin-ˌē, -ˌī\ or pinnas
: the largely cartilaginous projecting portion of the external ear

pinnal

play \ˈpin-ᵊl\ adjective

Illustration of pinna


Learn More about pinna


Seen and Heard

What made you want to look up pinna? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a man who seduces many women

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!