Noun united states fish and wildlife service has 1 sense
  1. United States Fish and Wildlife Service, US Fish and Wildlife Service, FWS - an agency in the Department of the Interior that conserves and protects fish and wildlife andtheir habitats; assesses the environmental impact of pesticides and nuclear power site and hydroelectric dams and thermal pollution
    --1 is a kind of agency, federal agency, government agency, bureau, office, authority
    --1 is a part of
     Department of the Interior, Interior Department, Interior, DoI
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