mailplane
/ˈmeɪlpleɪn/Definitions
1. noun
A military aircraft used for transporting troops, supplies, or equipment, especially in combat zones.
“The army deployed mailplanes to deliver vital supplies to the front lines.”
2. noun
A type of aircraft designed for carrying mail and other postal items, especially in remote areas.
“In the 1920s, the mailplane was a common sight in rural America, delivering mail to isolated communities.”