What does "shiv" mean (in HTML5)?

Greets all around

I'm Studying html5
I Understand the need for Remy's html5 shiv
But the definition of "shiv" is simply killing me.

What exactly does "shiv" mean?

thanx

sleeper

What is the shiv in HTML5?

HTML5shiv is a javascript file that is referenced in a <script> tag. You should use HTML5shiv when you are using the new HTML5 elements such as:<article>, <section>, <aside>, <nav>, <footer>. You will require the HTML5shiv to provide compatibility for IE Browsers older than IE 9.

What is HTML5 used for?

HTML5 is a markup language used for structuring and presenting content on the World Wide Web. It is the fifth and final major HTML version that is a World Wide Web Consortium (W3C) recommendation.

It really should be "shim", but Resig used the term "shiv". See here: http://paulirish.com/2011/the-history-of-the-html5-shiv/