English - English
Definition of balloon mail in English English dictionary
- mail (usually for weight reasons in the form of a postcard) carrying the name of the sender by means of an unguided hydrogen or helium filled balloon
balloon mail
Hyphenation
bal·loon mailTurkish pronunciation
bılun meylPronunciation
/bəˈlo͞on ˈmāl/ /bəˈluːn ˈmeɪl/
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