monohull
/mɒnəˈhʌl/Definitions
1. noun
A type of boat or ship with a single hull, as opposed to a multihull or catamaran.
“The sailing enthusiast preferred a monohull for its stability and maneuverability.”
2. adjective
Relating to or characterized by a single hull.
“The monohull design of the yacht made it faster and more efficient.”