polyaxial screw

noun

A screw used for connecting vertebrae to rods in spinal surgery, having a spherical head enclosed in a housing that allows a range of motion along several different axes relative to the housing.

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Meanings

nounpolyaxial screw (plural polyaxial screws)

plural polyaxial screws

  1. medicineA screw used for connecting vertebrae to rods in spinal surgery, having a spherical head enclosed in a housing that allows a range of motion along several different axes relative to the housing.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: polyaxial screw on Wiktionary, CC BY-SA 4.0.