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pinnal
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pin•na
(pin
′
ə),
USA pronunciation
n., pl.
pin•nae
(pin
′
ē),
USA pronunciation
pin•nas.
[
Bot.
]
one of the primary divisions of a pinnate leaf.
[
Zool.
]
a feather, wing, or winglike part.
a fin or flipper.
[
Anat.
]
auricle (def. 1a).
Latin: feather, wing, fin
1660–70
pin
′
nal
,
adj.
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更新时间:2026/3/23 5:25:34