What is Waltz?
Waltz is (noun) 1. a slow dance in which a man and woman turn around together as they move forward The next dance is a waltz, so I’ll ask her to dance. 2. music suitable for such a dance Listen, the orchestra is playing a waltz. The ‘Blue Danube’ is one of Strauss’ most famous waltzes. (NOTE: The plural is waltzes.) (verb) 1. to dance a waltz Couples were waltzing elegantly around the ballroom. 2. to do something smoothly or happily She waltzed into the bank and said she wanted to withdraw $200,000 in cash. He waltzed off with first prize.
source: Easier English, Student Dictionary Upper Intermediate Level