- Also called: air letter an airmail letter written on a single sheet of lightweight paper that folds and is sealed to form an envelope
WordReference Random House Unabridged Dictionary of American English © 2026
aer•o•gram
(âr′ə gram′),USA pronunciation n.
- Telecommunicationsa radiogram.
- Stamps, Slang Terms[Older Use.]a message carried by aircraft;
an airmail letter. - Meteorology
- a diagram for analyzing thermodynamic processes in the atmosphere.
- the record of an aerograph.
- Stampsaérogramme.
- aero- + -gram1 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers::
aerogram, aerogramme /ˈɛərəˌɡræm/ n
'aerogram' also found in these entries (note: many are not synonyms or translations):