Crossword Genius

Thick-skinned individual marched awkwardly around yard after start of parade (9)

Ross

I believe the answer is:

pachyderm

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'parade' is the definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for pachyderm that I've seen before include "Thick-skinned animal like elephant or rhino" , "One thick-skinned" , "Elephant, hippo etc" , "Thick-skinned beast, such as a rhino" , "Large hoofed animal with a very thick skin" .)

I've seen this clue in The Guardian.
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