aérogramme

or aer·o·gram, aer·o·gramme

[ air-uh-gram ]

noun

1. a sheet of lightweight paper, bearing an official postal stamp imprint, that is folded to form its own envelope and can be sent via airmail at a special, low rate because of its standard size, light weight, and lack of enclosures.

Word History and Origins

Origin of aérogramme¹

From French, dating back to 1895–1900; aero-, -gram ¹