go-cart

noun4

1. •
   A small, open-wheeled vehicle for racing.
2. •
   A soapbox car for downhill racing or playful noncompetitive driving on flat terrain.

   • Beep-beep. Here comes Joey on his go-cart. That makes five bunnies. — 1975
3. •
   A motorized vehicle for racing on flat terrain; usually spelled go-kart.
4. •
   (old-fashioned) A framework moving on casters, designed to support children as they learn to walk; a baby walker.