Advertisement
Advertisement
pinna
[ pin-uh ]
noun
- Botany. one of the primary divisions of a pinnate leaf.
- Zoology.
- a feather, wing, or winglike part.
- a fin or flipper.
- Anatomy. auricle ( def 1a ).
pinna
/ pĭn′ə /
, Plural pinnae pĭn′ē
- A leaflet or primary division of a pinnately compound leaf, especially of a fern frond.
Discover More
Other Words From
- pinnal adjective
Discover More
Word History and Origins
Origin of pinna1
Discover More
Word History and Origins
Origin of pinna1
Discover More
Example Sentences
A marked difference is noted in the size of the pinna of the ear in the various species.
He says that Tarentine muslins, woven from the filaments of the pinna dipped in the dye of the murex, rivalled those of Cos.
The fronds commonly fruit very fully, even the lowest pinna bearing sporangia.
The terminal pinna of the frond and the terminal segments of the pinnæ are considerably longer than the others.
They are found in an oyster which is something like the pinna, only less.
Advertisement
Word of the Day
[tawr-choo-uhs ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse