Multihull

/ˈmʌltihʌl/ noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A boat with two or more hulls.
"The marina was filled with yachts and powerboats, sleek multihulls fitted with the latest satellite-navigation gear that would steer the owners painlessly towards similar luxury berths at Portofino and Bandol."

"A proa or prau is a type of multihull sailing vessel."

From multi- + hull.