You are correct!
From our dictionary:
—n., v., -sad•ed, -sad•ing.
1. a skillful glide over snow or ice in descending a mountain, as on skis or a toboggan.
2. Dance.a sliding or gliding step.
to perform a glissade.
About Infoplease, Part of Family Education Network
© 2000–2013 Pearson Education, publishing as Infoplease