onlay

noun
on·​lay | \ ˈȯn-ˌlā, ˈän- How to pronounce onlay (audio) \

Medical Definition of onlay

1 : a metal covering attached to a tooth to restore one or more of its surfaces
2 : a graft applied to the surface of a tissue (as bone)

Learn More about onlay

Cite this Entry

“Onlay.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/onlay. Accessed 27 Nov. 2020.

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