Pinnate meaning

pĭnāt
Resembling a feather in having parts or branches arranged on each side of a common axis.

Pinnate leaves; pinnate gills.

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Resembling a feather.
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Resembling a feather in having parts or branches arranged on each side of a common axis.

Pinnate leaves; pinnate gills.

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Having parts or divisions arranged on each side of a common axis in the manner of a feather. Ash, hickory, and walnut trees have pinnate leaves.
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Resembling a feather.
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(botany) Having two rows of branches, lobes, leaflets, or veins arranged on each side of a common axis.

Mimosa is a tree with pinnate leaves.

The trunk is unbranched, often much shortened, and bears a crown of feathery or pinnate fronds.

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(zoology) Having a winglike tuft of long feathers on each side of the neck.

The pinnate grouse, or prairie chicken.

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Origin of pinnate

  • Latin pinnātus feathered from pinna feather pet- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin pinnātus (“feathered"), from pinna (“feather")

    From Wiktionary