What does whaft mean in a definition?

"Whaft" is not a standard word in English and doesn't have a meaning in a definition. It's likely a typo.

Here are some possibilities for what you might have meant:

* What: This is the most common word that "whaft" could be a typo of. It's used to ask for information or clarification.

* Waft: This means to float gently in the air, often used for smells or a flag.

* Whet: This means to make something more intense or appealing, usually referring to the appetite.

If you can provide more context or the full sentence where you saw "whaft," I can give you a more accurate answer.