pygostyle
Americannoun
Other Word Forms
Etymology
Origin of pygostyle
1870–75; < Greek pȳgo- (combining form representing pȳgḗ rump) + stŷlos pillar
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The tail's anatomy enabled the scientists to rule out that it belonged to a bird because it was long and flexible and lacked a pygostyle, fused vertebrae that in birds support the tail feathers.
From Reuters ● Dec. 8, 2016
"We can be sure of the source because the vertebrae are not fused into a rod or pygostyle as in modern birds and their closest relatives," he explained.
From BBC ● Dec. 8, 2016
The pars caudifemoralis is flat, somewhat spindle-shaped, and passes anteroventrally from the pygostyle to the femur.
From Myology and Serology of the Avian Family Fringillidae A Taxonomic Study by Stallcup, William B.
Such a pygostyle is absent in Archaeopteryx, Hesperornis, Tinami and Ratitae, but it occurs individually in old specimens of the ostrich and the kiwi.
From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various
Caudal vertebrae more than thirteen, without a pygostyle, but with about twelve pairs of rectrices.
From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
