The Perl Glossary states:

An unordered association of key/value pairs, stored such that you can easily use a string key to look up its associated data value. This glossary is like a hash, where the word to be defined is the key and the definition is the value. A hash is also sometimes septisyllabically called an “associative array”, which is a pretty good reason for simply calling it a “hash” instead.

So if you want to really confuse people you can pretend a hash is just kind of weird array that stores pairs of element rather than scalars, and ignores the concept of ordering. If you manage to use the word "septisyllabically" somewhere while doing that it's even funner!

But beyond that, yes, that piece of code is misleading at best

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