1. An area of land or water owned by a private individual or organization, set aside for conservation, hunting, fishing, or exclusive use
The wealthy landowner maintained a private preserve for hunting game birds.
O proprietário rico mantinha uma reserva privada para caçar aves selvagens.
2. Something regarded as the exclusive domain or right of a particular person or group
Politics has long been considered a private preserve of the wealthy.
A política tem sido considerada uma reserva privada dos ricos.