1. A postal service that delivers mail faster than standard mail, typically within 1-3 business days
I sent the documents via express mail to ensure they arrived by Friday.
Enviei os documentos por correio expresso para garantir que chegassem na sexta-feira.
2. A mail delivery system characterized by priority handling and expedited transport
Express mail is more expensive but guarantees faster delivery.
O correio expresso é mais caro, mas garante entrega mais rápida.