1. A boundary or border line that is calculated or approximated based on available data or measurements, rather than precisely determined
The estimated boundary of the protected forest area was marked on the map using satellite imagery.
O limite estimado da área florestal protegida foi marcado no mapa usando imagens de satélite.
2. In surveying or cartography, a demarcation line that has been approximated through calculations or projections
Due to budget constraints, the surveyor provided an estimated boundary rather than a precise one.
Devido a restrições orçamentárias, o topógrafo forneceu um limite estimado em vez de um preciso.