Fifth wheel (disambiguation) — Fifth wheel may refer to: *a type of semi trailer truck * The 5th Wheel , an American reality dating show *Fifth wheel coupling, a device that provides a link between the trailer and a truck (or a tractor unit) * The Fifth Wheel , a 1918 film… … Wikipedia
fifth wheel — n. 1. a) a horizontal wheel like structure placed over the front axle of a carriage or wagon to support it on turns ☆ b) a similar structure on the rear of the cab of a tractor trailer, serving as a coupling for attaching the trailer 2. an… … English World dictionary
fifth wheel — noun 1. someone or something that is unwanted and unneeded • Syn: ↑deadwood • Hypernyms: ↑redundancy, ↑redundance 2. an extra car wheel and tire for a four wheel vehicle • Syn: ↑spare … Useful english dictionary
fifth wheel — 1. a horizontal ring or segment of a ring, consisting of two bands that slide on each other, placed above the front axle of a carriage and designed to support the forepart of the body while allowing it to turn freely in a horizontal plane. 2. a… … Universalium
fifth wheel — noun chiefly N. Amer. 1》 a spare wheel for a four wheeled vehicle. ↘informal a superfluous person or thing. 2》 a coupling between a vehicle used for towing and a trailer. 3》 (also fifth wheel trailer) a trailer with accommodation for camping… … English new terms dictionary
fifth wheel — noun Date: circa 1874 1. a. a horizontal wheel or segment of a wheel that consists of two parts rotating on each other above the fore axle of a carriage and that forms support to prevent tipping b. a similar coupling between tractor and trailer… … New Collegiate Dictionary
Semi-trailer — In American English a semi trailer is a trailer without a front axle. A large proportion of its weight is supported either by a road tractor or by a detachable front axle assembly known as a dolly or by the tail of another trailer. A semi trailer … Wikipedia
Recreational vehicle — This article is about the vehicle. For the film, see RV (film). RV redirects here. For other uses, see RV (disambiguation). A Class A motorhome with slide out extended floors … Wikipedia
Road train — This article is about connected heavy goods vehicles. For lighter recreational road trains, see Trackless train. For electronic road trains, see Platoon (automobile). For the film, see Road Train (film). Volvo NH15 BP tanker road train A road… … Wikipedia
Sport tractor — A sport tractor or SUT is a tractor truck–like vehicle that doesn’t have the towing capacity of a standard size tractor truck, but does have a larger towing capacity than the largest of pickup trucks. A new version of truck has now been created.… … Wikipedia
