This is because "foot" can refer to:
* The part of the leg below the ankle.
* A unit of measurement equal to 12 inches.
Therefore, the word "foot" is both a noun and a unit of measurement, making it a homonym of itself.
This is because "foot" can refer to:
* The part of the leg below the ankle.
* A unit of measurement equal to 12 inches.
Therefore, the word "foot" is both a noun and a unit of measurement, making it a homonym of itself.