* Noun: When referring to a place of residence, "dwelling" is a noun.
* Example: "They built a new dwelling in the suburbs."
* Verb: When it means "to live" or "to reside", "dwelling" is a verb.
* Example: "The family was dwelling in a small cottage."
* Gerund: "Dwelling" can also be a gerund, which is a verb form used as a noun.
* Example: "Dwelling on the past won't help you."
Let me know if you have a specific sentence in mind and I can tell you what part of speech "dwelling" is in that case!