aerogram

/ˈɛrəˌɡræm/
noun
  1. A lightweight letter sent by airmail, usually on a single sheet of paper that folds into its own envelope.
    • During the war, families relied on aerograms to stay in touch with soldiers overseas.
    • I found an old aerogram from my grandmother in the attic.
    • She sent an aerogram to her pen pal in Japan.
Synonyms
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