keratoma
noun
ker·a·to·ma
ˌker-ə-ˈtō-mə 
plural keratomas also keratomata
-mət-ə
1
: a hard thickened area of skin produced by hypertrophy of the horny layers : callus
2
: a tumorlike growth of horny tissue on the inner surface of the wall of a horse's hoof
Cite this Entry
“Keratoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/keratoma. Accessed 31 Oct. 2025.
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