Glaive is a very open term really, being the French term for Roman Short sword, however also believed to originate from Celtic and Latin meaning just sword.
Either way, most often believed to mean sword.
But the European Glaive is known as a polearm, a single one edged blade at the end of a long pole. And very much like the original Fauchard (before being modified).
Either way, a deadly weapon with a blade that is sharp and not something you want to be on the
wrong end of.
*Disclaimer: I have done extensive research on each of these weapons. I am aware that there are many different versions of each of these weapons. I am not trying to spread false information. If you know and can prove any information wrong, please let me know and I will fix my errors. I have at least three references for all research on the weapons I will discuss through the challenge.