ˈpiˌnāt, -_nə̇t, usu -d.+V adjective
Etymology: New Latin pinnatus, from Latin, feathered, winged, from pinna + -atus -ate
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 — used especially of compound leaves; see leaf illustration
2. : characterized by pinnate arrangement of parts
pinnate veining
— see venation illustration