Multihull

Endearing Multihull
There is nothing intimidating about the Contour 30 -- except its speed ...

multihull
A boat with more than one hull, such as a catamaran or trimaran.
boapp05 ...

Multihull:
The term "multihull" is a catamaran or trimaran. It is a classification for yachts having more than one hull which is extensively used by charter industry professionals.
Word list ...

multihull - Any ship design with more than one hull, such as catamaran or a trimaran.
mushroom anchor - A mushroom shaped mooring anchor, typically used with small fishing boats.

By contrast, Multihull yachts (a Catamaran for example) use two or more hulls separated from each other to provide a stable base that resists overturning.
The yacht that Ellen McArthur crossed the globe in for example was a trimaran. (pictured above).

Catamarans, and multihulls in general, are normally faster than single-hull boats for four reasons: ...

Catamaran:
A multihull with two hulls separated by a deck or crossbeams from which a trampoline is suspended; abbreviated "cat."
Catboat:
A small boat with the mast stepped far forward, carrying a single sail ...

Ballast - weight in the lower portion of a boat, used to add stability (In a multihull - useless crew on other boats.)
Bar-- a shoal area at the river or inlet (Also site of post-race discussions / lies / exaggerations / bet-collections) ...

Multihull craft have two or more hulls joined by a deck or cross beams. Attached to the stern (aft or front part of the hull) is the rudder, which is controlled by the helm-tiller or a steering wheel.

As well as extensive cruising in multihulls he has a few Brisbane to Gladstone races under his belt in addition to several seasons racing in Perth, Western Australia; Sydney, Lake Erie, Pymatuning Lake (in Western Pa.) and Florida.

Single hull boat in contrast to a multihull such as a catamaran or a trimaran.
Mooring
An arrangement for securing a boat to a mooring buoy or a pier.

Multihull yachts use two hulls (catamarans) or three (trimarans) widely separated from each other to provide a stable base that resists overturning and allows for sailing in shallower waters than most keeled monohulls.

The deck between the cockpit and the cabin in a monohull sailboat and between hulls in a multihull.
bridle
An arrangement of several lines of wires used for hoisting or rigging.

power catamaranA multihulled powerboat with two identical side-by-side hulls. power cruiserA powerboat with overnight accommodations, typically up to 40 feet long.

See also: Boat, Hull, Feet, Sail, Beam