abdominothoracic arch

US/æbˌdɑm.ɪ.noʊ.θɔɹ.æs.ɪk ɑɹt͡ʃ/US/æbˌdɑm.ɪ.noʊ.θoʊ.ɹæs.ɪk ɑɹt͡ʃ/

noun

The costal arch; anterior and lateral boundary between the abdomen and the thorax.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounabdominothoracic arch (plural abdominothoracic arches)

plural abdominothoracic arches

  1. anatomyThe costal arch; anterior and lateral boundary between the abdomen and the thorax.

Origin

abdominothoracic + arch

Full word history & related roots →
Cite this entry
APA

abdominothoracic arch. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/abdominothoracic%20arch

MLA

“abdominothoracic arch.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/abdominothoracic%20arch. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “abdominothoracic arch,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/abdominothoracic%20arch.

Source: abdominothoracic arch on Wiktionary, CC BY-SA 4.0.