hold-down strap
nounUK /ˈhəʊld daʊn stræp/
US /ˈhoʊld daʊn stræp/
A strong strap that keeps something from moving.
He used a hold-down strap to keep the boxes from sliding in the truck.
OTHER MEANINGS
2. A strap used to fasten a load onto a vehicle.
The driver checked every hold-down strap before starting the trip.
3. A strap that holds a cover or tarp tightly in place.
She pulled the hold-down strap over the boat cover.
4. A strap that keeps equipment fixed to a floor or platform.
The hold-down strap kept the generator steady during the ride.