Possible Misspellings:
* Turtle: This is the most likely possibility. A turtle is a reptile with a shell.
* Sturdy: This means strong and well-built.
Made-up Word:
It's also possible that "sturtle" is a made-up word, perhaps used in a specific context or as a nickname.
Can you provide more context?
To understand what "sturtle" might mean, please provide more information:
* Where did you see or hear the word?
* What was the sentence or conversation about?
With more information, I can help you figure out what "sturtle" might mean.