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| aer·o·gram [ érrō gràm ] (plural aer·o·grams) or aer·o·gramme [ érrō gràm ] (plural aer·o·grammes) |
noun |
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| Definition: |
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airmail letter: a single sheet of lightweight paper for airmail use that, once written on, can be folded and sealed to form its own envelope
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| [Late 19th century. After telegram] |
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