It's possible you're thinking of a different word or that "coni" has a specific meaning within a certain context or dialect.

Could you please provide more information about where you encountered this word and what context it was used in?

For example:

* What language is it from?

* Where did you see or hear it?

* What was the sentence or phrase it was part of?

With more information, I can help you understand the meaning of "coni".