What part of speech is the word rag?

The word "rag" can be a few different parts of speech depending on how it's used:

* Noun: A piece of cloth, especially an old or torn one. (Example: "She used a dirty rag to clean the table.")

* Verb: To tease or criticize harshly. (Example: "The kids ragged him about his new haircut.")

So, you need more context to know what part of speech "rag" is in a particular sentence.