What makes a sword a RAPIER?

What is a rapier and how does it differ to a sword, in historical accounts of the Elizabethan and Stuart eras. What does the term rapier actually mean, and why are some swords rapiers and some not? 3 extra videos each month on Patreon, which hugely helps support this channel: Facebook & Twitter updates, info and fun: Schola Gladiatoria HEMA - sword fighting classes in the UK: Matt Easton’s website & Pinterest: Easton Antique Arms: