noun

corn

Translation

corn, maize

We had corn on the cob for dinner.

The fields were full of golden corn.

The fields were full of golden grain.

I have a painful corn on my little toe.

((corn)) (uncountable) maize I like sweet corn.

((a corn)) (countable) a hard area of skin on the foot She has a corn on her toe.

maize (primary meaning); callus (on foot)

From Proto-Germanic *kurnam, 'grain'. The meaning 'hard skin on foot' comes from Latin 'cornu' (horn), due to its hardness.

While in the US 'corn' almost always means maize, remember the British meanings include any grain and a foot problem.