aérogramme

== French == === Etymology === From aéro- +‎ -gramme. === Pronunciation === IPA(key): /a.e.ʁɔ.ɡʁam/ === Noun === aérogramme m (plural aérogrammes) aerogram (a thin piece of foldable and gummed paper for writing a letter and serving as its own envelope for transit via airmail) === Further reading === “aérogramme”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012