aérogramme

or aer·o·gram, aer·o·gramme

[ air-uh-gram ]
/ ˈɛər əˌgræm /

noun

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.

RELATED WORDS

Compare air letter.

Origin of aérogramme

From French, dating back to 1895–1900; see origin at aero-, -gram1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019