Definitions

1. adjective

Having a leaf with a leaflet that is divided into two lobes, or a leaflet that is divided into two lobes and then again into smaller lobes.

“The botanist described the new plant species as pennatifid, a characteristic that set it apart from other similar species.”

2. noun

A leaf with a pennatifid shape, especially one that is divided into two lobes or smaller lobes.

“The biologist studied the pennatifid leaves of the ancient plant species to learn more about its evolution.”