palatal expander

noun

A device used to widen the upper jaw so that the bottom and upper teeth will fit together better.

Meanings

nounpalatal expander (plural palatal expanders)

plural palatal expanders

  1. dentistryA device used to widen the upper jaw so that the bottom and upper teeth will fit together better.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: palatal expander on Wiktionary, CC BY-SA 4.0.