Crossword Genius

A downhill slide (8)

Ross

I believe the answer is:

glissade

I'm a little stuck... Click here to teach me more about this clue!

This might be a double definition.

'a downhill' is the first definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

'slide' is the second definition.
(I've seen this before)

Can you help me to learn more?

(Other definitions for glissade that I've seen before include "Ballet step" , "movement in ballet" , "Ballet slide" .)

I've seen this clue in The Globe and Mail.
Want a hint initially instead of a full solution? Install my app