1. A single production run or quantity of items manufactured only once, not intended for regular or repeated production
The factory produced a one-off batch of limited edition sneakers.
A fábrica produziu um lote único de tênis em edição limitada.
2. A manufacturing run that is not part of standard or continuous production
They ordered a one-off batch of custom parts for the prototype.
Eles encomendaram um lote único de peças personalizadas para o protótipo.