Circular domed building (7)

I believe the answer is:

rotunda

'circular domed building' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for rotunda that I've seen before include "Italian Pantheon, for instance" , "Round building or hall" , "Round domed building" , "Round domed room" , "circular construction" .)

I've seen this clue in the Sydney Morning Herald and The Sun.

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