from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Resembling a feather; having parts or branches arranged on each side of a common axis: a polyp with a pinnate form; pinnate leaves.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Resembling a feather.
- adj. Having two rows of branches, lobes, leaflets, or veins arranged on each side of a common axis
from the GNU version of the Collaborative International Dictionary of English
- adj. Consisting of several leaflets, or separate portions, arranged on each side of a common petiole, as the leaves of a rosebush, a hickory, or an ash. See Abruptly pinnate, and Illust., under abruptly.
- adj. Having a winglike tuft of long feathers on each side of the neck.
from The Century Dictionary and Cyclopedia
- Shaped like a feather, or resembling a feather in Structure.
- In zoology:
- Feathered; pinnated.
- Provided with a pinna or pinnæ; having wings, fins, or similar parts.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (of a leaf shape) featherlike; having leaflets on each side of a common axis
Latin pinnātus, feathered, from pinna, feather.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin pinnātus ("feathered"), from pinna ("feather") (Wiktionary)