/ Dictionary / Index A aerogram: Meaning and Definition of Find definitions for: aer•o•gram Pronunciation: (âr'u-gram"), [key] — n. a radiogram. a message carried by aircraft; an airmail letter. a diagram for analyzing thermodynamic processes in the atmosphere. the record of an aerograph. aérogramme. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aerogram (Thesaurus) aerogenic aérogramme Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language