mail pouch
Noun
Meaning
pouch used in the shipment of mail
Source: WordNetSynonyms
Hypernyms
Hyponyms
Examples
At each station stop the express rider would change to a fresh horse, taking only the mail pouch called a mochila (from the Spanish for pouch or backpack) with him.
At the conclusion of all the speeches, approximately 7:15 p.m., Russell turned the mail pouch over to the first rider.