pinna
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.


pin·na

noun \ˈpi-nə\
plural pin·nae \ˈpi-ˌnē, -ˌnī\ or pinnas

Definition of PINNA

1
a : a projecting body part (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

Origin of PINNA

New Latin, from Latin, feather, wing — more at pen
First Known Use: 1719

pin·na

noun \ˈpin-ə\   (Medical Dictionary)
plural ; pin·nae \ˈpin-ˌē, -ˌī\ (audio pronunciation) (audio pronunciation)or ; pinnas

Medical Definition of PINNA

: the largely cartilaginous projecting portion of the external ear
pin·nal \ˈpin-əl\ (audio pronunciation) adjective

Illustration of PINNA

Browse

Next Word in the Dictionary: pinnace
Previous Word in the Dictionary: pinn-
All Words Near: pinna

Seen & Heard

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

Name That Thing

Take Our 10-Question Quiz

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More