Meaning & use
Pinna
Last updated
The visible external part of the ear, made of cartilage covered by skin.
See it in a sentence
The dermatologist examined a small mole on the pinna of his ear.
Rabbits have large, mobile pinnae that help them detect faint sounds.
A note on using this word
From Latin pinna, meaning 'feather' or 'wing'; the plural is 'pinnae'. The same word is used in botany for one of the leaflets of a pinnate (feather-shaped) leaf.
Words with a similar meaning
auricle
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
One of the primary leaflets of a pinnate compound leaf or frond.
Each pinna of the fern branched into smaller leaflets called pinnules.
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