* Noun: This is the most common usage, referring to the plural of "foot", the body part.
* Example: "The baby's tiny feet were so adorable."
* Verb: This is less common, but it can refer to the act of stepping, especially with a rhythmic motion.
* Example: "The dancers feet across the stage."
* Adjective: In rare cases, it can function as an adjective, meaning "pertaining to feet".
* Example: "The feet area of the hospital was busy with patients."
To understand the part of speech, consider the context and how the word is used in the sentence.