pinna

[ pin-uh ]

/ ˈpɪn ə /

Botany. one of the primary divisions of a pinnate leaf.

Zoology.

Anatomy. auricle(def 1a).

Origin of pinna

1660–70; < Latin: feather, wing, fin

pin·nal, adjective

Pinna dorsalis corpore pen qualis, radiis simplicibus flexilibus.

Zoological Illustrations, Volume I |William Swainson
When the pea-crab discovers a supply of food he brings it to his friend, the Pinna, to be divided equally.

Digby Heathcote |W.H.G. Kingston
Pinna bullata, Swainson (Fig. 168), is also a well-known species.

The Ocean World: |Louis Figuier
Gloves have been made from the byssal fibers of Pinna mixed with silk.

The Sea-beach at Ebb-tide |Augusta Foote Arnold

He says that Tarentine muslins, woven from the filaments of the pinna dipped in the dye of the murex, rivalled those of Cos.

Needlework As Art |Marian Alford

pinna

/ (ˈpɪnə) /

any leaflet of a pinnate compound leaf

zoology a feather, wing, fin, or similarly shaped part

another name for auricle (def. 2)

C18: via New Latin from Latin: wing, feather, fin

pinna

[ pĭn′ə ]

auricle

pin′nal adj.

pinna

[ pĭn′ə ]

A leaflet or primary division of a pinnately compound leaf, especially of a fern frond.