It's possible that:
* It's a misspelling: Perhaps you meant a similar word like "nicom" or "nacom."
* It's a specific term within a particular field: If you provide context (e.g., what you were reading or discussing when you encountered this term), I might be able to help you find the meaning.
* It's a made-up word: It's possible that it's simply a fictional or invented term.
Please provide more information about where you came across this word, and I'll do my best to assist you!