* It's a misspelling: Perhaps you meant a different word like "dossier", "dataset", or "dosette".
* It's a proper noun: It could be a surname, a place name, or the name of a specific thing.
* It's a technical term: It might be a term used in a particular field like engineering, medicine, or computer science.
To understand the meaning of "Dossett", please provide more context:
* What was the source of the word? (e.g., a book, a website, a conversation)
* What was the surrounding text or conversation?
With more information, I can help you figure out what "Dossett" refers to.