The English Wiktionary has a dictionary definition (meanings of a word) for: regatta
A regatta is a term used to describe either a boat race, or series of boat races.
Although the term typically describes racing events of unpowered watercraft, some powerboat race series are also called regattas. Most commonly, a regatta is either a series of rowing, sailing or yacht racing.
The National School Sailing Assosiation Regatta, UK. Annual Sailing reggatta held in various sailing clubs and competed in by many secondary school students.
Other regattas
The Madison Regatta, Madison, Indiana. (hydroplanes)