zoological garden
noun /ˌzuːəˌlɒdʒɪkl ˈɡɑːdn/,  /ˌzəʊəˌlɒdʒɪkl ˈɡɑːdn/
  /ˌzuːəˌlɑːdʒɪkl ˈɡɑːrdn/,  /ˌzəʊəˌlɑːdʒɪkl ˈɡɑːrdn/
(also zoological gardens [plural])
 (formal)- a zoo (= a place where many kinds of wild animals are kept for the public to see and where they are studied, bred and protected)