Yes, waltz is a Scrabble word!
...and is worth 17 points in Scrabble, and 18 points in Words with Friends
waltz
Verb
1. Dance a waltz
Noun
1. An assured victory (especially in an election)
2. Music composed in triple time for waltzing
3. A ballroom dance in triple time with a strong accent on the first beat
What Scrabble words can I make with the letters in waltz?
3 Letter Words
2 Letter Words