It could be a nomenclature specific to a certain industry, or perhaps it's a invention. Maybe provide some context about where you heard this term, I could try to shed some light. It could be It's possible that https://lawsongurl302507.pointblog.net/well-now-a-tricky-one-69cuan-doesn-t-seem-like-a-recognized-phrase-in-any-widely-used-language-i-have-come-across-77816550