scutellum
Americannoun
PLURAL
scutella-
Botany. the shieldlike cotyledon of certain monocots.
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Zoology. a small plate, scutum, or other shieldlike part, as on the thorax of insects or the feet of birds.
noun
-
the last of three plates into which the notum of an insect's thorax is divided
-
one of the scales on the tarsus of a bird's leg
-
an outgrowth from a germinating grass seed that probably represents the cotyledon
-
any other small shield-shaped part or structure
PLURAL
scutella-
A shieldlike bony plate or scale, as on the thorax of some insects.
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The large, shield-shaped cotyledon of the embryo of a grass plant, specialized for the absorption of food from the endosperm.
Other Word Forms
- scutellar adjective
- scutellate adjective
Etymology
Origin of scutellum
1750–60; < New Latin, equivalent to Latin scūt ( um ) shield ( scute ) + -ellum diminutive suffix
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 researchers derived the word “scutoid” from the scutellum of beetle—see Figure 4–as the two share attributes.
From Scientific American
They noticed that the shape vaguely resembled the back end of a beetle, a structure called a scutellum.
From The New Yorker
Found globally, these insects are named for their outsized scutellum, from the Latin word scutum, meaning shield.
From National Geographic
Also known as shield bugs, Man-Faced Stink Bugs have a thick, hardened extension of the thorax, called a scutellum, that covers and protects the top of its abdomen.
From Scientific American
It sometimes has two prominent black dots on its scutellum, but always has a pair of big, black spots on its leathery wings.
From Scientific American
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.