Crossword Genius

Something to do with Matilda in Australia (5)

Ross

I believe the answer is:

waltz

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

'australia' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for waltz that I've seen before include "Last dance?" , "Dance in 3/4 time" , "A flowing melody or dance in triple time" , "Valse" , "The 123, 123 ballroom dance" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app