Second-declension noun (neuter).
What is scutum in English?
scutum. / (ˈskjuːtəm) / noun plural -ta (-tə) the middle of three plates into which the notum of an insect's thorax is divided.
What does the Latin word scutum mean?
Recent Examples on the Web Shield Bugs Found globally, these insects are named for their outsized scutellum, from the Latin word scutum, meaning shield. — National Geographic, 23 June 2018.