Definition of pinna
English to English noun - division of a usually pinnately divided leaf
source: WordNet 3.0 - the externally visible cartilaginous structure of the external ear
source: WordNet 3.0 - A leaflet of a pinnate leaf. See Illust. of Bipinnate leaf, under Bipinnate.
source: Webster 1913
Visual Synonyms 
Nearby Word
pinna, pinny, pinon, penna, pinya, pin, pyinma, pinyon, painan, pahina, pino, pyin, pein, pana, pine, pian, penn, pinineo, piny, pima
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