Here are some possible interpretations:
* Celtic origin: It might be a variant of "Taran," a Welsh name meaning "thunder" or "lightning."
* Place name: It could be a shortened or altered version of a place name, such as "Tarren Mill" in the Warcraft universe.
* Surname: If it's a surname, it's likely to have a specific meaning within a particular family or region.
To determine the meaning of "Tarren" in your specific context, you'll need more information. For example:
* Is it a name, a place, or a surname?
* Where did you encounter this word?
* What other context clues are there?
With more information, we might be able to better understand the meaning of "Tarren."