This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Resembling a feather; having parts or branches arranged on each side of a common axis: a polyp with a pinnate form; pinnate leaves.

adj. Resembling a feather.

adj. Having two rows of branches, lobes, leaflets, or veins arranged on each side of a common axis

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.

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.

adj. (of a leaf shape) featherlike; having leaflets on each side of a common axis

""That kind of veining is called pinnate veining from a Latin word that means 'feather,'" explained Helen."

compound    pinnated   

oppositely pinnate leaf    pinnate leaf    equally    articulate-pinnate leaf    unequally pinnate leaf    pinnate cirrose leaf    abruptly    pinnately    palmate   

abruptly   

paripinnate    tripinnate    bipinnate    imparipinnate    even-pinnate    abruptly-pinnate    tripinnated    odd-pinnate   

pinnated   

oleoyl    wind-battered    fernlike    uncurling    stearoyl    wind-shaken    verminous    winter-gray    unwithered    pale-pink