Longman Dictionary of Contemporary English
express mail
noun
EXAMPLES FROM CORPUS
▪ A friend on the Examiner staff sent a supply of Combat by express mail.
▪ Editing was done via express mail.
▪ The thing will make phone calls, fax, send E-mail, post or express mail, address envelops and post reminders.
▪ There are three principal product areas: letters, express mail and parcels.
WordNet
express mail
n. mail that is distributed by a rapid and efficient system [syn: express]
Wikipedia
Express mail
Express mail is an accelerated mail delivery service for which the customer pays a surcharge and receives faster delivery. Express mail is a service for domestic and international mail and is in most countries governed by a country's own postal administration. Since 1998, the international accelerated delivery services are governed by the EMS Cooperative.