Main Entry:

pin·nate

Pronunciation:

\ˈpi-ˌnāt\

Function:

adjective

Etymology:

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

Date:

circa 1727

: 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

— pin·nate·ly adverb