Pet duck (4)

I believe the answer is:

love

I believe this is a double definition.

'pet' is the first definition.
(thesaurus)

'duck' is the second definition.
(thesaurus)

(Other definitions for love that I've seen before include "See 23" , "associated with a cold climate?" , "angel" , "God of 20 Dn" , "Nothing for Andy Murray" .)

I've seen this clue in The Telegraph.

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