scaphotrapeziotrapezoid joint

noun

The wrist joint where three bones, the scaphoid, trapezium, and trapezoid, meet on the thumb side of the wrist. It helps stabilize the wrist and transfer force during thumb and hand movements, especially gripping and pinching.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounscaphotrapeziotrapezoid joint (uncountable, abbreviation STT joint)

abbreviation STT joint

  1. uncountableanatomyThe wrist joint where three bones, the scaphoid, trapezium, and trapezoid, meet on the thumb side of the wrist. It helps stabilize the wrist and transfer force during thumb and hand movements, especially gripping and pinching.

Origin

From scapho- + trapezio + trapezoid + joint

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

Source: scaphotrapeziotrapezoid joint on Wiktionary, CC BY-SA 4.0.