Missive

1. n. One who is sent; a messenger.
2. n. Specially sent; intended or prepared to be sent; as, a letter missive.
3. n. Missile.
4. n. That which is sent; a writing containing a message.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.