Glossary A-Z of Motorhome Terms

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A kitchen area - usually not as well equipped as the norm



In motorhome terminology a garage is a huge locker incorporated into the vehicle's design which means it can cater for carrying bikes, motorbikes or sometimes even cars.


Gas Bottle

Butane or Propane gas cylinder


Gas Drop Holes

Ventilation. LPG is heavier than air so holes through the floor below gas-powered appliances allow any gas out of the motorhome/campervan/motorcaravan/camper


Gas Locker

Compartment for the storage of gas cylinders. Usually sealed from the habitation area (although not always on some campervans)



Having a generator gives you the possibility to camp without having to hook up to electricity.



Abbreviation for generator set


Glass Reinforced Plastic

Plastic material commonly used for exterior body panels.  cf GRP, glass fibre, or glass reinforced plastic


goose egg

he oval membership emblem that FMCA members display on their motorhome. This metal plate enables members to identify one another as they travel, simply by reading the number embossed on the plate and looking it up in FMCA's membership directory or in the "For Members Only" area of The goose egg increases public awareness of FMCA and promotes friendship among motorhomers. FMCA has issued more than 300,000 membership numbers.



A trailer and hitch configuration connected to the tow truck directly above the rear axle by way of a standard ball hitch in the truck bed and a vertical, slender arm on front of the trailer. Gooseneck hitching is common on horse and utility trailers, but rarely found on RV’s


Gooseneck Adapter

A device that attaches to the fifth wheel trailer's king pin and extends down about two feet. It couples with a ball hitch mounted in the bed of a truck, enabling the fifth wheel to be towed like a gooseneck trailer.


Gray Water

Disposal water from sinks and shower. In some units, this is held in a holding tank separate from black water


gross combination weight rating (GCWR):

 Maximum allowable combined weight of a motorhome and attached towed vehicle and everything in and on them, recommended by the manufacturer.


Gross Combined Weight Rating (GCWR):

The manufacturers maximum load weight, in pounds, allowed for the trailer and tow vehicle. This rating includes the weight of the trailer and two vehicle plus fuel, water, propane, supplies and passengers.


Gross Vehicle Weight Rating (GVWR)

Maximum to which a vehicle can be loaded, according to the manufacturer. Includes dry weight of the vehicle plus all fuel, water, supplies and passengers.


gross vehicle weight rating (GVWR):

The weight specified by the chassis manufacturer as the maximum loaded weight of the vehicle (including driver, passengers, liquids, and cargo). Usually posted on the inside wall near the driver's seat



Glass-reinforced plastic, but more commonly known as glass fibre (not fibreglass, which is a trade name).


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