also: エーログラム · エログラム
noun
aerogram; aerogramme
A lightweight airmail letter sheet that folds into its own envelope. Used in postal contexts.
海外に手紙を送るために、郵便局でエアログラムを買った。
I bought an aerogram at the post office to send a letter overseas.
Variant spelling reflecting a long-vowel pronunciation.
Clipped variant; less common and may be confused with unrelated words.
Borrowed from English 'aerogram' (also spelled 'aerogramme').