It hardly matters, and in the PHB they're mechanically identical, but @matthewmercer kept describing a glaive as having an axe head. I could be wrong, but isn't that a halberd (left image)? (glaives on the right) pic.twitter.com/tKIsE7UHBI
— Grant Myers (@sreymtnarg) March 4, 2018
Yes! I realized this, and am not entirely sure why my brain mixed the two, seeing as how I am well aware of the difference, hehe. No worries!
— Matthew Mercer (@matthewmercer) March 4, 2018