From Longman Dictionary of Contemporary Englishbusloadbus‧load /ˈbʌsləʊd $ -loʊd/ noun [countable] American English an amount of people on a bus that is full
Examples from the Corpus
busload• To this latter end Mr Heseltine accompanied a busload of businessmen on a conducted tour of Liverpool.• Hey, Willie, how about sending down a busload of Muni drivers who can read a road map?• And yes, there really was a busload of transvestites living down the road.• A busload of tourists came in behind us, maybe twenty Hawaiians in Hawaiian shirts, with cameras and funny hats.• Another snag, which it appears was not anticipated, concerns viewing by busload.• Mostly older people, who arrive by the busload from all over, including Ontario.• Yesterday, busloads of lads were disgorged at the city square to make their feelings plain. 