Other forms: horseboxes
A horsebox is a vehicle for carrying horses by road. Load the horsebox.
The floor has to be firm and the ramp shallow, or a horse will refuse to walk up it. A horsebox is the thing most likely to teach a rider patience.
1nounhorseboxA vehicle for carrying horses by road.
“The horsebox took two and a spare set of tack.”
horsebox is a vehicle.
Horse plus box, from the railway boxes horses first travelled in.
From horse + box.
Etymology from Wiktionary, CC BY-SA