senile keratosis

Meaning of senile keratosis: A thick, scaly patch of skin that may become cancer.

Definition of senile keratosis

A thick, scaly patch of skin that may become cancer. It usually forms on areas exposed to the sun, such as the face, scalp, back of the hands, or chest. It is most common in people with fair skin. Also called actinic keratosis and solar keratosis.