Definition from zikkir, the free dictionary
Nounsemi-trailer (plural Semi-trailers)
- A trailer without a front axle and with wheels only at the trailing end, designed to be pulled via a pivoting arrangement which also partially supports its weight.
- A tractor-trailer or big rig: a semi-trailer plus the truck or tractor pulling it.
- articulated lorry
- big rig
- semi-trailer truck
- truck and trailer
trailer without a front axle and with wheels only at the trailing end
tractor-trailer or big rig