Throughout its history, Nissan has added the letter Z to various models of its cars, up to and including the simply named Nissan Z. Does it stand for anything?

2002 - 2009 Nissan 350Z / Fairlady Z (Z33), 2019 Mazda MX-5 Miata, 1997 Chevrolet Corvette C5, 2024 Ford Mustang Dark Horse, 2011 BMW Z4 Roadster sDrive35is, Nissan Skyline GT-R (R32/R33/R34 ...