There are 2 main definitions of scutum in English:

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scutum 1

Syllabification: scu·tum
Pronunciation: /ˈsk(y)o͞odəm/

noun (plural scuta-tə)

Zoology
1 another term for scute.
1.1 Entomology The second dorsal sclerite in each thoracic segment of an insect.
Example sentences
  • Twelve wasps not preserved in 1969 and 1970 were hand-netted and marked on their scutum with different colored, non-toxic paints using a tiny brush from which most of the bristles had been removed.
  • Throughout the adult body, supernumerary bristles are present only on the scutum and on the scutellum.
  • B expression is activated by Wg in the scutum whereas B represses Wg expression in the most anterior part of the notum.

Origin

Late 18th century: from Latin, literally 'oblong shield'.

Definition of scutum in:

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There are 2 main definitions of scutum in English:

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Scutum 2 Syllabification: Scu·tum
Pronunciation: /ˈsk(y)o͞odəm/
Astronomy
1A small constellation (the Shield) near the celestial equator, lying in the Milky Way between Aquila and Serpens.
1.1 (as genitive Scutiˈsk(y)o͞otē-ˌtī) Used with a preceding letter or numeral to designate a star in this constellation: the star Beta Scuti

Origin

Latin.

Definition of scutum in:

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