1. [syn: pinnate, pinnated]
The Collaborative International Dictionary of English v.0.48:
Pinnate \Pin"nate\, Pinnated \Pin"na*ted\, a. [L. pinnatus
feathered, fr. pinna a feather. See Pin a peg, Pen
1. (Bot.) Consisting of several leaflets, or separate
portions, arranged on each side of a common petiole, as
the leaves of a rosebush, a hickory, or an ash. See
Abruptly pinnate, and Illust., under Abruptly.
2. (Zool.) Having a winglike tuft of long feathers on each
side of the neck.
Pinnated grouse (Zool.), the prairie chicken.
WordNet (r) 3.0 (2006):
adj 1: (of a leaf shape) featherlike; having leaflets on each
side of a common axis [syn: pinnate, pinnated]