The story
Blend of America's Cup + 90, because it measures approximately 90 feet on the waterline.
Etymology from Wiktionary, CC BY-SA 4.0.
AC90
Today it means: A class of monohull sailing racing yacht, a type of supermaxi. Full definition →
Today it means: A class of monohull sailing racing yacht, a type of supermaxi. Full definition →
Blend of America's Cup + 90, because it measures approximately 90 feet on the waterline.
Etymology from Wiktionary, CC BY-SA 4.0.