Missionary \Mis"sion*ary\, n.; pl. Missionaries. [Cf. F. missionnaire. See Mission, n.]

One who is sent on a mission; especially, one sent to propagate religion. --Swift.

Missionary apostolic, a Roman Catholic missionary sent by commission from the pope.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Missionary \Mis"sion*a*ry\, a. Of or pertaining to missions; as, a missionary meeting; a missionary fund.

Source: Webster's Revised Unabridged Dictionary (1913)