• WordNet 3.6
    • adj pinnated (of a leaf shape) featherlike; having leaflets on each side of a common axis
    • ***
Webster's Revised Unabridged Dictionary
    • Pinnated (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.
    • Pinnated (Zoöl) Having a winglike tuft of long feathers on each side of the neck.
    • ***
Century Dictionary and Cyclopedia
    • pinnated Same as pinnate.
    • ***
Chambers's Twentieth Century Dictionary
    • adjs Pinnated shaped like a feather: furnished with wings or fins
    • ***


Webster's Revised Unabridged Dictionary
L. pinnatus, feathered, fr. pinna, a feather. See Pin a peg, Pen feather
Chambers's Twentieth Century Dictionary
L. pinna, a feather, dim. pinnula.


In literature:

Fruit in berry-like, greenish structures in a twice pinnate spike, which comes up much later than the broad and coarse pinnatifid sterile fronds.
"The Fern Lover's Companion" by George Henry Tilton
Height from 1/4 to 1/2 inch; simply pinnate, branches distant, regularly alternate.
"Narrative Of The Voyage Of H.M.S. Rattlesnake, Commanded By The Late Captain Owen Stanley, R.N., F.R.S. Etc. During The Years 1846-1850. Including Discoveries And Surveys In New Guinea, The Louisiade Archipelago, Etc. To Which Is Added The Account Of Mr. E.B. Kennedy's Expedition For The Exploration Of The Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist To The Expedition. In Two Volumes. Volume 1." by John MacGillivray
The trunk is unbranched, often much shortened, and bears a crown of feathery pinnate fronds.
"The Ancient Life History of the Earth" by Henry Alleyne Nicholson
The leaflets of the plumula are pinnate.
"Journals of Travels in Assam, Burma, Bhootan, Afghanistan and TheNeighbouring Countries" by William Griffith
The leaves, from four to six of which surround the stem where they form sheaths (bracteal), are simply pinnate.
"The Commercial Products of the Vegetable Kingdom" by P. L. Simmonds
Perhaps they were "Prairie hens" (pinnated grouse).
"Atlantic Monthly, Volume 14, No. 84, October, 1864" by Various
The leaves are large, pinnate, shining, and very smooth and irregular.
"On the Banks of the Amazon" by W.H.G. Kingston
Laws have been made for the protection of the pinnated grouse, or prairie chicken, and others of their tribe.
"Ohio Arbor Day 1913: Arbor and Bird Day Manual" by Various
There is also the pinnated or Cupid Grouse.
"The Western World" by W.H.G. Kingston
They were very tall, with a thick, globe-shaped head of pinnate, plume-like leaves.
"Popular Adventure Tales" by Mayne Reid
This is a slightly smaller and darker variety of the Pinnated Grouse.
"The Bird Book" by Chester A. Reed
The leaves are pinnate, and on young trees grown in good soil are frequently three feet long.
"Trees and Shrubs for English Gardens" by Ernest Thomas Cook
The origin is by two distinct heads, each of which is pinnate.
"Myology and Serology of the Avian Family Fringillidae" by William B. Stallcup
Septa numerous, arranged pinnately with regard to four principal septa.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2" by Various
Perhaps they were "Prairie hens" (pinnated grouse).
"Cape Cod" by Henry D. Thoreau
Their light pinnate foliage has disappeared like flax before the flame.
"The Headless Horseman" by Mayne Reid
The foliage is fern-like, odd-pinnate, rarely simple.
"Trees Worth Knowing" by Julia Ellen Rogers
Leaves alternate, pinnate or pinnately parted.
"The Manual of the Botany of the Northern United States" by Asa Gray
From under our very feet, almost brushing our faces, the beautiful pinnated grouse of the prairies left their cover, and us also.
"Buffalo Land" by W. E. Webb
The fern has large pinnate fronds, and is thus related to the mountain ash and the mimosae.
"Traditions, Superstitions and Folk-lore" by Charles Hardwick

In poetry:

The poplar, all its catkins shed,
With balsam-scented leaves is hung,
The ash with pinnate fronds is spread;
The blossom red
Upon the elm is fading fast /
The emerald studs among.
"Leaf-Time" by David Gow