Definitions

1. adjective

divided into leaflets or segments resembling the branches of a fir tree, having leaflets or segments arranged on either side of a central stem or rachis.

“The pinnate leaves of the plant are a distinctive feature of its appearance.”

2. noun

a leaf or leaf-like part of a plant that is pinnate in shape.

“The pinnate was a prominent part of the plant’s display at the botanical garden.”