Where to view The Penguin in the Deep South? (9)

I believe the answer is:

antarctic

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'south?' is the definition.
(thesaurus)

I cannot understand how the remainder of the clue works.

(Other definitions for antarctic that I've seen before include "Of far southern regions" , "Region around the south pole" , "Relating to S. Pole region" , "Relating to south polar region" , "Of South Polar regions" .)

I've seen this clue in The Irish Times.

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