Medical term for a painful, thickened area of skin on the foot, similar to a callus but with a hard center. Often compared to 魚の目 (うおのめ), which is a more common lay term for the same condition.
I received treatment for a corn at the dermatologist.
From the resemblance of a corn to a chicken's eye. The term is a direct calque of the same concept in Western medicine (Latin 'clavus' meaning nail or corn).
