1. A clearly established or marked line, border, or limit that separates two areas, jurisdictions, or concepts
The defined boundary between the two countries runs along the river.
O limite definido entre os dois países segue ao longo do rio.
2. A precise demarcation or specification of the extent or scope of something
The project has a defined boundary of six months for completion.
O projeto tem um limite definido de seis meses para conclusão.