prosternum

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noun

The ventral sclerite (plate) of the prothorax of an insect.

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Meanings

nounprosternum (plural prosterna)

plural prosterna

  1. biologyThe ventral sclerite (plate) of the prothorax of an insect.

Origin

From Latin. See pro- and sternum.

Full word history & related roots →
Cite this entry
APA

prosternum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/prosternum

MLA

“prosternum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/prosternum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “prosternum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/prosternum.

Source: prosternum on Wiktionary, CC BY-SA 4.0.