truncus arteriosus

noun

The single arterial outlet in the embryological heart which later divides into the aorta and the pulmonary trunk.

OriginLatin truncus arteriosus →
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Meanings

nountruncus arteriosus (plural trunci arteriosi)

plural trunci arteriosi

  1. embryologyThe single arterial outlet in the embryological heart which later divides into the aorta and the pulmonary trunk.
  2. abbreviationellipsismedicineEllipsis of persistent truncus arteriosus.

Synonyms & antonyms

Also see
persistent truncus arteriosus

Origin

  1. Latintruncus arteriosus
  2. Englishtruncus arteriosus

Borrowed from Latin truncus arteriosus (literally “arterial trunk”).

More words from Latin

Full word history & related roots →
Cite this entry
APA

truncus arteriosus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/truncus%20arteriosus

MLA

“truncus arteriosus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/truncus%20arteriosus. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “truncus arteriosus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/truncus%20arteriosus.

Source: truncus arteriosus on Wiktionary, CC BY-SA 4.0.