ミニレター

noun

letter card; aerogramme

A lightweight postal item that combines letter and envelope, often used for international airmail. Wasei-eigo from 'mini letter'.

wasei-eigo (Japanese-coined English), from mini letter

• 海かい外がいに手て紙がみを送おくるときは、ミニレターを使つかうと安やすく済すみます。

  When sending a letter overseas, using a letter card is cheaper.