* It's a misspelling. There might be a similar word you're thinking of. Could it be "chilo" (referring to a type of insect larva)?
* It's a regional term or slang. The word might be used in a specific community or geographical area.
* It's a made-up word. It's possible the word is a fictional creation or a personal invention.
To help me understand what you mean, please provide more context. For example, where did you see or hear this word? What was the context? This will help me determine the meaning.