pinnate

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adjective pin·nate \ˈpi-ˌnāt\

Definition of pinnate

  1. :  resembling a feather especially in having similar parts arranged on opposite sides of an axis like the barbs on the rachis of a feather a pinnate leaf — see leaf illustration

pinnately

adverb

Origin and Etymology of pinnate

New Latin pinnatus, from Latin, feathered, from pinna feather, wing, fin

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