From Longman Dictionary of Contemporary Englishlong weekendlong weekendthree or more days, including Saturday and Sunday, when you do not have to go to work or school → long
Examples from the Corpus
long weekend• About half the normal amount of trades took place as traders were reluctant to place bets ahead of the long weekend.• The long weekend also gave me time to myself to rest and ponder on all that had gone and was to come.• During the school year, long weekends are good opportunities to explore together.• Or get an early start on that long weekend commute, then catch up from home.• It had been a long weekend for both of them.• So for a little over £100 it is easy to spend a long weekend in Paris in the spring, summer or whenever.• Would you like a long weekend in the country courtesy of Citroën? 