What part of speech is hand?

"Hand" can be several parts of speech, depending on how it's used in a sentence:

* Noun: When it refers to the body part. Example: "He held the book in his hand."

* Verb: When it means to give or pass something. Example: "Please hand me the remote."

* Adjective: When it describes something done with the hand. Example: "She gave him a hand-written letter."

So, without more context, it's impossible to definitively say what part of speech "hand" is.