The items of mail so carried.
The system of conveying mail using aircraft.
To send mail by air.
To (unintentionally) throw the ball well over a fielder's head where that fielder is unable to make a play on the ball.
A kind of postal service in which, for an extra fee, letters and packages are delivered in a highly expedited manner by a special courier.
A particular posted letter or package which is delivered in this manner; a particular act of conveying such letters or packages to one or more recipients.
Something—whether desirable or undesirable—which is intentionally given to a specific individual or which an individual receives rapidly and unexpectedly; the personalized, direct quality of the transmission of such an item.