< /ˌkɛr əˈtoʊ siz/. Pathology.
- any skin disease characterized by a horny growth, as a wart.
- any horny growth.
noun pathol
- any skin condition marked by a horny growth, such as a wart
- a horny growth
n. pl. ker•a•to•ses (-sēz)
- Excessive growth of horny tissue of the skin.