Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
a letter that is sent by aircraft, usually consisting of a single very thin sheet of paper that is folded and then stuck at the edges to form its own envelope
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions