PINNA • E-FREE TRANSLATION.COM • Definition of Pinna

Add this Dictionary
to your website!
See more options...

Listen

noun

Pinna n. (pl. pinnae, E. pinnas)

(Bot.)

(a)

A leaflet of a pinnate leaf.

(b)

One of the primary divisions of a decompound leaf.

(Zool.) One of the divisions of a pinnate part or organ.

(Zool.) Any species of Pinna, a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long, silky fibers, which have been used in manufacturing woven fabrics, as a curiosity.

(Anat.) The auricle of the ear. See Ear.

See images of 'Pinna'

Etymology of 'Pinna'

Collaborative International Dictionary of English 0.48

Share |

"Pinna" Quotes from Famous Books

... matter: so are the cells throughout, to a greater or less extent. They are to be seen in all stages of development on the pinnae of a very young frond, those near its base having perhaps effected their purpose, while those at the apex of the pinna, or the prolonging part of pinnula, may be formed of only one cell. It is curious that the terminal cell does not become spherical for some time: in its earlier stages it ...

— Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The - Neighbouring Countries • William Griffith

Words linked to "Pinna" : outer ear, pinnule, cauliflower ear, tragus, earlobe, cartilaginous structure, external ear, auricle, leaflet, ear lobe