As a noun:
* It refers to a type of dance, often associated with African American culture.
* It can also be used figuratively to mean something that is easy to do.
Example:
* "The cakewalk was a popular dance in the late 19th century." (noun)
* "Passing this test should be a cakewalk for you." (noun, figurative meaning)
As a verb:
* It means to do something easily and without effort.
Example:
* "She cakewalked through the interview, impressing everyone with her confidence."
So, the part of speech depends on the context of the sentence.