noun

the system for sending mail by airplane

noun

c.o.d.

noun

mail that is recorded when you send it and again when the post office delivers it The person you sent it to signs their name to prove they received it. The British word is recorded delivery.

abbreviation

cash on delivery: a system by which you pay for goods that you have ordered when they are delivered to you

adjective

an express service delivers mail or packages more quickly than the ordinary service

noun

a service that delivers mail or packages more quickly than the ordinary service

adverb

using a service that delivers mail or packages more quickly than the ordinary service

noun

the class of mail that is used for sending letters

adjective

relating to the class of mail that is used for sending letters

adverb

using the most expensive form of transportation or mail

noun

a post office that you use when you are traveling. Letters are sent there for you and kept until you pick them up.

noun

the system for sending and delivering letters, packages, etc. to houses, offices, etc. The usual British word is post

noun

the mail service used for sending packages in the U.S.

the government department in the U.S. that delivers the mail

noun

an arrangement in which your mail is sent to a post office in a different area so that you can collect it while you are traveling

adverb

letters and packages that are sent postpaid do not cost the person who sends them anything for their postage because someone else has already paid for it

noun

a system for sending letters and packages for which you pay a small insurance charge to be certain they are delivered safely

noun

a system in the U.S. for sending newspapers and magazines in the mail

adjective

relating to a system in the U.S. for sending newspapers and magazines in the mail

noun

a post office service that delivers letters or packages faster than usual for an extra payment

noun

mail that is sent by train, truck, or ship

noun

a type of inexpensive mail in the U.S., usually used for sending advertisements

adjective

if a letter is delivered by hand, it is not delivered by the mail service

if you reply to a letter by return of post, you write back to the person who wrote to you, immediately after you have received their letter