It's possible that:
* It's a misspelling: You might be thinking of a similar word with a different spelling.
* It's a specific term: "Shoshina" could be a technical term, a name, or a word specific to a certain field or culture. If you provide more context, I might be able to help.
* It's a made-up word: It's possible it's a fictional term or a name someone has created.
To help me understand what you're looking for, please tell me:
* Where did you see or hear the word "shoshina"?
* What was the context surrounding the word?
With more information, I might be able to help you decipher its meaning.