Definition of tergum in English:

tergum

noun

Zoology
  • A thickened dorsal plate on each segment of the body of an arthropod.

    • ‘However the most important feature is undoubtedly the dorsal morphology of the tergum 13 with its two dorso-lateral tubercles connected by a transverse, elevated, rounded ridge.’
    • ‘After cutting the pleural membrane between the sterna and terga, it was possible to remove the entire genital apparatus with a fine-tipped forceps.’

Origin

Early 19th century: from Latin, literally back.

Pronunciation:

tergum

/ˈtərɡəm/