What part of speech is the word mastic?

The word "mastic" can be two different parts of speech, depending on the context:

* Noun: This is the most common usage. It refers to a type of chewing gum made from the resin of the mastic tree.

* Verb: It can also be a verb meaning "to chew thoroughly" or "to grind with the teeth."

To determine the part of speech, you need to consider how it is used in a sentence.

For example:

* "The children enjoyed chewing on the mastic." Here, "mastic" is a noun.

* "The dog masticated the bone for a long time." Here, "masticated" is a verb.