Definition of pinna in English:

pinna

nounPlural pinnae ˈpɪnəˈpɪnə

1Anatomy Zoology
The external part of the ear in humans and other mammals; the auricle.
〔剖，动〕耳郭；外耳
Example sentencesExamples
- The pinnae of the ears are large and can fold back to protect the ears while the aardvark is burrowing.
- Body piercing and multiple ear piercings in the pinna, rather than the earlobe, are catching on.
- Contact dermatitis, irritant or allergic, can involve the pinna as well as the external auditory canal.
- Under direct vision the excessive hair follicles of the external ear canal and pinna were targeted by the laser beam.
- Patients with otitis externa experience pain on manipulation of the pinna or tragus, and their ear canal is edematous and filled with infectious debris.
2Botany
A primary division of a pinnate leaf, especially of a fern.
〔植〕羽片
Example sentencesExamples
- Lepidoteris fronds typically have so-called intercalary pinnules along the rachis between the primary pinnae, and are covered with the characteristic blisters mentioned above.
- Each leaf has many pinnae and a leaf axis that is subdivided into a midrib and a petiole.
- If the primary pinnae are divided, then the individual divisions are known as pinnules.
3Zoology
Any of a number of animal structures resembling fins or wings.
〔动〕羽；翅；鳍；鳍（羽）状结构
Example sentencesExamples
- They get their name from the Latin words pinna (feather or wing) and pedes (feet).

Origin

Late 18th century: modern Latin, from a variant of Latin penna 'feather, wing, fin'.

Definition of pinna in US English:

pinna

nounˈpɪnəˈpinə

1Anatomy Zoology
The external part of the ear in humans and other mammals; the auricle.
〔剖，动〕耳郭；外耳
Example sentencesExamples
- Under direct vision the excessive hair follicles of the external ear canal and pinna were targeted by the laser beam.
- The pinnae of the ears are large and can fold back to protect the ears while the aardvark is burrowing.
- Patients with otitis externa experience pain on manipulation of the pinna or tragus, and their ear canal is edematous and filled with infectious debris.
- Contact dermatitis, irritant or allergic, can involve the pinna as well as the external auditory canal.
- Body piercing and multiple ear piercings in the pinna, rather than the earlobe, are catching on.
2Botany
A primary division of a pinnate leaf, especially of a fern.
〔植〕羽片
Example sentencesExamples
- If the primary pinnae are divided, then the individual divisions are known as pinnules.
- Each leaf has many pinnae and a leaf axis that is subdivided into a midrib and a petiole.
- Lepidoteris fronds typically have so-called intercalary pinnules along the rachis between the primary pinnae, and are covered with the characteristic blisters mentioned above.
3Zoology
Any of a number of animal structures resembling fins or wings.
〔动〕羽；翅；鳍；鳍（羽）状结构
Example sentencesExamples
- They get their name from the Latin words pinna (feather or wing) and pedes (feet).

Origin

Late 18th century: modern Latin, from a variant of Latin penna ‘feather, wing, fin’.

单词	pinna
释义	Definition of pinna in English: pinna nounPlural pinnae ˈpɪnəˈpɪnə 1Anatomy Zoology The external part of the ear in humans and other mammals; the auricle. 〔剖，动〕耳郭；外耳 Example sentencesExamples The pinnae of the ears are large and can fold back to protect the ears while the aardvark is burrowing. Body piercing and multiple ear piercings in the pinna, rather than the earlobe, are catching on. Contact dermatitis, irritant or allergic, can involve the pinna as well as the external auditory canal. Under direct vision the excessive hair follicles of the external ear canal and pinna were targeted by the laser beam. Patients with otitis externa experience pain on manipulation of the pinna or tragus, and their ear canal is edematous and filled with infectious debris. 2Botany A primary division of a pinnate leaf, especially of a fern. 〔植〕羽片 Example sentencesExamples Lepidoteris fronds typically have so-called intercalary pinnules along the rachis between the primary pinnae, and are covered with the characteristic blisters mentioned above. Each leaf has many pinnae and a leaf axis that is subdivided into a midrib and a petiole. If the primary pinnae are divided, then the individual divisions are known as pinnules. 3Zoology Any of a number of animal structures resembling fins or wings. 〔动〕羽；翅；鳍；鳍（羽）状结构 Example sentencesExamples They get their name from the Latin words pinna (feather or wing) and pedes (feet). Origin Late 18th century: modern Latin, from a variant of Latin penna 'feather, wing, fin'. Definition of pinna in US English: pinna nounˈpɪnəˈpinə 1Anatomy Zoology The external part of the ear in humans and other mammals; the auricle. 〔剖，动〕耳郭；外耳 Example sentencesExamples Under direct vision the excessive hair follicles of the external ear canal and pinna were targeted by the laser beam. The pinnae of the ears are large and can fold back to protect the ears while the aardvark is burrowing. Patients with otitis externa experience pain on manipulation of the pinna or tragus, and their ear canal is edematous and filled with infectious debris. Contact dermatitis, irritant or allergic, can involve the pinna as well as the external auditory canal. Body piercing and multiple ear piercings in the pinna, rather than the earlobe, are catching on. 2Botany A primary division of a pinnate leaf, especially of a fern. 〔植〕羽片 Example sentencesExamples If the primary pinnae are divided, then the individual divisions are known as pinnules. Each leaf has many pinnae and a leaf axis that is subdivided into a midrib and a petiole. Lepidoteris fronds typically have so-called intercalary pinnules along the rachis between the primary pinnae, and are covered with the characteristic blisters mentioned above. 3Zoology Any of a number of animal structures resembling fins or wings. 〔动〕羽；翅；鳍；鳍（羽）状结构 Example sentencesExamples They get their name from the Latin words pinna (feather or wing) and pedes (feet). Origin Late 18th century: modern Latin, from a variant of Latin penna ‘feather, wing, fin’.
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