• WordNet 3.6
    • n cycad any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves
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Webster's Revised Unabridged Dictionary
    • n Cycad sī"kăd (Bot) Any plant of the natural order Cycadaceæ, as the sago palm, etc.
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Century Dictionary and Cyclopedia
    • n cycad One of the Cycadaceæ.
    • n cycad A fossil cycadean trunk belonging to either of the genera Cycadeoidea or Bennettites.
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Chambers's Twentieth Century Dictionary
    • n Cycad sī′kad an order allied to Coniferæ, but in appearance rather resembling ferns and palms
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Chambers's Twentieth Century Dictionary
Formed from Gr. kykas, an erroneous form of koikas, koiks, the doom-palm.


In literature:

They oust the cycads in Europe and America, as the cycads and conifers had ousted the Cryptogams.
"The Story of Evolution" by Joseph McCabe
The immense development of plants with the habit of Cycads, during the Mesozoic Period up to the Lower Cretaceous, has long been known.
"Darwin and Modern Science" by A.C. Seward and Others
Triassic Conifers and Cycads.
"The Ancient Life History of the Earth" by Henry Alleyne Nicholson
The cycads are palm-like forms having a single trunk crowned by a circle of compound leaves.
"Elements of Structural and Systematic Botany" by Douglas Houghton Campbell
Through the fog Jim could see glimpses of the ferny undergrowth, the giant tree-ferns and cycads that towered aloft.
"Astounding Stories of Super-Science, May, 1930" by Various
Besides these, certain curious southern forms called Cycads are also associated in this section.
"The Contemporary Review, Volume 36, September 1879" by Various
In the forest, Kirby gained a hazy impression of bronzy, immense cycads and what appeared to be tree chrysophilums with gorgeous blossoms.
"Astounding Stories of Super-Science, December 1930" by Various
At first the Jurassic plants, the Cycads, ferns and conifers, lived on and were the dominant plant forms.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6" by Various
Ferns and giant club mosses and cycads grew in swampy ground.
"Earth and Sky Every Child Should Know" by Julia Ellen Rogers
We also find stems of cycads.
"The Geological Story of the Isle of Wight" by J. Cecil Hughes
But some land-plants are found, chiefly ferns, conifers, and cycads.
"Geology" by James Geikie
There were now palmlike cycads and many tropical conifers, though as yet there were no flowering plants and no grasses.
"A Short History of the World" by H. G. Wells
DIOON, a genus of Cycads, natives of Mexico, where meal is prepared from the starchy seeds.
"The New Gresham Encyclopedia" by Various
The cycads in the Everglades of Florida are some of their surviving representatives.
"Trees Worth Knowing" by Julia Ellen Rogers
The mesarch structure of the leaf-bundles is met with in a less pronounced form in the flower peduncles of some cycads.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7" by Various
Cycads and palm-lilies are picturesque wherever they are met with.
"Australian Pictures" by Howard Willoughby
Palms are so like cycads that we may regard them as the descendants of some cycad type.
"The Elements of Geology" by William Harmon Norton

In news:

The 300 "modern" cycad species burst onto the scene about 12 million years ago, though the lineage of cycads extends back 300 million years.
'Living Fossils' Just A Branch On Cycad Family Tree.
Dinosaurs probably snacked on the relatives of the cycads that you have in our yard today.
Yes, cycads are those unique plants that resemble palm trees.
Explore an incredible collection of cycads in Los Angeles and learn more about this ancient plant that thrives in a hot climate.