Martial arts appreciation "iaido - approximately translates into English as "the way of mental presence and immediate reaction." It was coined in the replacing the earlier and more literal name battōjutsu (抜刀術 "art of drawing the sword").
I would like to study Iaido one day, given how it's supposed to be complementary to Aikido. Might also be useful to know how to hold/wield a sword properly, as opposed to just waving a big stick around. "Las Vegas Iaido and Las Vegas Ki Aikido.