tailboard

[teyl-bawrd, -bohrd] /ˈteɪlˌbɔrd, -ˌboʊrd/
noun
1.
the tailgate, especially of a wagon or truck.
Also called endgate.
Origin
1795-1805; tail1 + board
Examples from the web for tailboard
  • Spotters are never permitted to ride the tailboard or running boards while the vehicle is in motion.
  • Stop the truck with the tailboard beyond the hydrant.
British Dictionary definitions for tailboard

tailboard

/ˈteɪlˌbɔːd/
noun
1.
a board at the rear of a lorry, wagon, etc, that can be removed or let down on a hinge