Longman Dictionary of Contemporary English
roof-rack
noun
EXAMPLES FROM CORPUS
▪ Bulkier things like sofas can be delivered or whisked away on a rented roof-rack.
▪ Ten minutes seemed to make little difference, with the jerry-cans still discernible on the roof-rack.
Usage examples of "roof-rack".
Most of the passengers fetched their luggage down from the roof-racks and trudged away along the web of footpaths that led into the forest.
Jake saw at least four more wheelchairs, most strapped to roof-racks, some stuffed into the backs of vans or station wagons, one (it looked ancient and fearsomely bulky) thrown into the bed of a pickup truck.
Gordon got the pulley apparatus down from the roof-rack while Thatch and Zena surveyed for anchorages.