Definition of Mailgram in English:

Mailgram

noun

US
  • A trademark for: a system of sending messages whereby the text of a message is transmitted to a post office near its ultimate destination, printed out, and delivered by ordinary post.

Origin

1960s; earliest use found in The New York Times. From mail + -gram.

Pronunciation

Mailgram

/ˈmeɪlˌɡram/