I couldn't find a word in the English language called "retiracy". It's possible that it's a misspelling or a word from a different language. Can you provide more context or check the spelling?
"Retiracy" Examples
Adjective: Retiracy
1. Fact-checking in periodic tables resulted in a retired term: The term radioactivity has been replaced by more scientifically precise terms such as radioactivity, which includes both radioactivity and radiolysis.