- a thing that holds back; curb; check; hindrance
- a strap or iron attached to the shaft of a wagon, carriage, etc. and to the harness, to enable a horse to stop or back the vehicle
- a. The act of holding back.b. Something held back.
- A device that retains or restrains.
- A strap or an iron catch between the shaft and the harness on a drawn wagon, allowing the horse to stop or back up.