It's possible that:
* It's a misspelling: It could be a misspelling of a real word. For example, it might be meant to be "Loch Lomond" (a famous lake in Scotland), "Lockdown", or "Loch Ness".
* It's a proper noun: It could be a surname, a place name, or a brand name.
* It's a fictional term: It might be a term from a book, movie, or game.
To help me understand what you're looking for, could you please provide more context? For example:
* Where did you encounter this word?
* What was the surrounding text or situation?
With more information, I can better assist you in understanding the meaning of "Locheim".