Flighty type gettin' dressed? (5)

I believe the answer is:

robin

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'flighty type' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for robin that I've seen before include "Batman's helper" , "Red-breasted songbird" , "Bird, killed by Sparrow" , "Day was one" , "Popular British bird" .)

I've seen this clue in The Guardian.

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