[pin-eyt, -it] 
| 1. | resembling a feather, as in construction or arrangement; having parts arranged on each side of a common axis: a pinnate branch; pinnate trees. |
| 2. | Botany. (of a leaf) having leaflets or primary divisions arranged on each side of a common stalk. |
pin·nate (pĭn'āt')  (click for larger image in new window) adj. Resembling a feather; having parts or branches arranged on each side of a common axis: a polyp with a pinnate form; pinnate leaves. [Latin pinnātus, feathered, from pinna, feather; see pet- in Indo-European roots.] pin'nate'ly adv. |
pinnate (pĭn'āt') Pronunciation Key
(click for larger image in new window) Having parts or divisions arranged on each side of a common axis in the manner of a feather. Ash, hickory, and walnut trees have pinnate leaves. |
eɪt