OK Here are the Gypsy words for a four wheeled dray (like the bottom of a Gypsy wagon) From the floor down it goes like this...

Choc rail
floorboards
Summers
cradle
main bolster
cross members
Lock king pin
futchels
splinterbar
Draw bar
Barrell eyes
main bolster
ring plates
Sharps
footboard
trace hooks
Britching D's
tug stops
Ferrules
Globe or scrole irons
dumbjacks
springs
dogs
beds
axles
naffs
naff ends
cups
spokes
fellies
roller nipple
roller scotch
Brake and Panbox

If you are interested in a translation ask and you shall receive.
this is 21st century folk lore I think.