pinnate

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pin·nate / ˈpināt; -it/ • adj. Bot. (of a compound leaf) having leaflets arranged on either side of the stem, typically in pairs opposite each other. ∎  Zool. (esp. of an invertebrate animal) having branches, tentacles, etc., on each side of an axis, like the vanes of a feather. DERIVATIVES: pin·nat·ed adj. pin·nate·ly adv. pin·na·tion / piˈnāshən/ n.

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pinnate Of leaves, compound, with leaflets displayed on either side of a central stalk or rachis. The main nerves of most leaves are pinnate, arising along the midrib.

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pinnate XVIII. — L. pinnātus feathered, winged, f. pinna; see PIN, -ATE3.
Also pinnated XVIII.

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pinnate Borne on either side of a central stalk; like a feather in appearance.

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pinnate Borne on either side of a central stalk; like a feather in appearance.