What part of speech is the saw?

"Saw" can be two different parts of speech, depending on how it's used:

1. Verb: When "saw" is used to describe the act of seeing with your eyes, it's a verb. For example: "I saw a beautiful bird in the tree."

2. Noun: When "saw" refers to a tool used for cutting wood, it's a noun. For example: "He used a saw to cut the board."

So, to determine the part of speech of "saw", you need to look at its context in the sentence.