The term "long weekend" refers to a period of time when a weekend is extended to include an additional day off, often making it a three-day weekend instead of the usual two days (Saturday and Sunday). Full definition
Special rates are available for extended stays and standard rates may change for long weekends where a minimum of two nights may apply. (wikiaustralia.com)
She loves the NC mountains, and spending long weekends in the Fall camping on the NC coast. (cvm.ncsu.edu)
It was the first time I had been and I was so happy to spend my last long weekend of summer there. (tweedandlace.com)