* Noun: This is the most common usage, referring to the part of the body that allows walking.
* Example: "The baby took its first steps, using its tiny feet."
* Noun: It can also refer to a unit of measurement, typically for length.
* Example: "The room is twelve feet wide."
* Verb: "Foot" can be used as a verb meaning "to tread on" or "to touch with the foot".
* Example: "He footed the bill for dinner."
* Adjective: While less common, "foot" can be used as an adjective describing something related to the foot.
* Example: "He bought foot powder to help with his sweaty feet."
So, the specific part of speech depends on the context of the sentence.