from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Divided pinnately nearly to the midrib. Used of certain leaves.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having lobes with incisions that extend almost, or up to midrib.
from The Century Dictionary and Cyclopedia
- In botany, pinnately divided; cut quite down to the midrib, but with the segments not articulated. Also pinnatisected.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (of a leaf shape) cleft nearly to the midrib in narrow divisions not separated into distinct leaflets
With the Compositae, swarms of small Cruciferae occur; that with purple flowers and pinnatisect leaves being the most common.
Oblong, lance-shaped pinnatisect bright green fronds rise vaselike from a central trunk and maintain their verticality, making for a distinctively architectural form.