Twin boat

(Naut.) a vessel whose deck and upper works rest on two parallel hulls.

See also: Twin

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The Australian parliament last week failed to pass a bill to restore the government's power to send asylum seekers offshore despite about 100 people dying in twin boat disasters in the past two weeks.
The following" section outlines ways to do more complex forms: triangular box, twin boat base form, crane base from, square box and others.
After an hour or two, I've circumnavigated the main island, and I'm bound for Turtle Beach, where my car is parked between the twin boat ramps of Blind Pass.