missive

A written message; a letter, note or memo.formal

• [Y]ou / Did pocket vp my Letters: and with taunts / Did gibe my Miſive out of audience.
• The juvenile missives from his unmistakably phallic Twitter avatar came days after one of his rockets launched NASA’s first antiasteroid planetary-defense test[…]

Letters sent between two parties in which one makes an offer and the other accepts it.in-plural

One who is sent; a messenger.obsolete

• Whiles I stood rapt in the wonder of it came missives from the King, who all hailed me ‘Thane of Cawdor,’ by which title these Weird Sisters saluted me and referred me to the coming on of time with ‘Hail king that shalt be.’

Specially sent; intended or prepared to be sent.not-comparable

• a letter missive

Serving as a missile; intended to be thrown.not-comparableobsolete

• In vain with Darts a diſtant War they try, / Short, and more ſhort the miſſive weapons fly.