mailgram

mail +‎ -gram

mailgram (plural mailgrams)

1. (telegraphy) A telegraphic message transmitted electronically from the sender to a post office and then printed and delivered to the recipient via physical post.
   • 1991 May 4, Jacob Smith Yang, “Cracking Down On Cracker Barrel”, in Gay Community News, page 2:

     Cracker Barrel Old Country Stores, Inc. has been the target of a national mailgram campaign since March 13. Complaints have been received from major investors, and demonstrations have been held at several restaurants.

mailgram (third-person singular simple present mailgrams, present participle mailgramming, simple past and past participle mailgrammed)

1. (transitive, rare) To send by mailgram.
2. (transitive, rare) To send a mailgram to.