glissade

glissade \gli-SAHD\, verb:

1. To perform a glissade, a sliding or gliding step.

noun:
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.

And then I hear it, a high tenuous glissade of sound that I might almost have mistaken for a siren if I didn't know better, and I realize that this is what I've been waiting for all along: the coyote chorus.
-- Tom Coraghessan Boyle, The Tortilla Curtain

Bodies which seem to hover over the floor, sinking only to rise. Glissade brushing to releve en attitude.
-- Anthony Howell, In the Company of Others

Glissade entered into English in the 1830s as a version of the modern French verb glisser, meaning "to slip."