1. A short span of time during which one must wait before something happens or is available
There is a brief waiting period before the appointment can be scheduled.
Há um breve período de espera antes que a consulta possa ser marcada.
2. A short delay required by law, regulation, or procedure before an action can be completed
A brief waiting period is mandated before firearm purchases can be finalized.
Um breve período de espera é obrigatório antes que compras de armas de fogo possam ser finalizadas.