sponsons

Its narrow tri-hull is meant to pierce waves — punch right through them instead of ride on top, with twin sponsons providing lift and stability.

Futuristic-Looking Boat to Attempt World Circumnavigation Record | Impact Lab 2006

Mark Bell is patiently trying to explain what sponsons are and how tidal flows work, but he keeps getting interrupted by a succession of friendly faces.

A working life: The lifeboat volunteer 2010

The thing's incredible mouth, through which two subs the size of Pernio could have cruised abreast, was held slightly open by the crumpled mast and sponsons of Mimo's red Hobie catamaran.

Perseus Spur May, Julian, 1931- 1998

There are numerous passages down into that area, in addition to entries from the sponsons and walkways ringing the ship.

Arctic Fire Douglass, Keith 1997

The tug had suffered much from the frightful tossing she had received, and her injuries had not yet been dealt with; she had lost her sponsons, her starboard side-house was gone, the port side of her bridge had been started and the iron railing warped, her decks still seemed dank from the remorseless washing, her funnel was brown with rust, and the tough craft looked a hundred years old.

Heroes of the Goodwin Sands Thomas Stanley Treanor

The night was spent in fitting on the sponsons to the sides of the machines.

Life in a Tank Richard Haigh

The hull is constructed of iron, and is of the following dimensions: Length 60 ft.; beam 16 ft.; over sponsons 25 ft. The vessel was fitted with a propeller, rudder, and steering gear at each end, to enable it to run in either direction without having to turn around.

Scientific American Supplement, No. 443, June 28, 1884 Various

The secondary armament includes ten 6 in. 100 pounder quick firing guns, four being mounted on the main deck and six in the sponsons on the upper deck, sixteen 6 pounder and nine 3 pounder quick-firing guns, in addition to a large number of machine guns.

Scientific American Supplement, No. 810, July 11, 1891 Various

A great semicircular wall of red shut out the gray of the sea and sky to leeward, and for an instant the horrified men in the boat saw -- as people see by a lightning flash -- dark lines radiating from the centre of this red wall, and near this centre poised on end in mid-air, with deck and sponsons still intact, a bowless, bottomless remnant of the cruiser.

Great Sea Stories Various 1897

One firm of camp-outfitters advertises a canoe called the Sponson, the name being taken from the air-chambers built along the outside rail, which are called sponsons.

On the Trail An Outdoor Book for Girls Lina Beard 1888