1. An official message or document sent by a government, military, or authorized body to convey important information or instructions
The ambassador received an official dispatch from the foreign ministry regarding the trade negotiations.
O embaixador recebeu um despacho oficial do ministério das relações exteriores sobre as negociações comerciais.
2. A formal written communication transmitted through official channels
An official dispatch was issued to all regional offices announcing the new policy.
Um despacho oficial foi emitido para todos os escritórios regionais anunciando a nova política.