Apostle

APOSTLE. From a Greek word, meaning "one sent." A designation of those twelve who were our Lord's companions on earth, and who, afterwards, were sent  into "all the world to preach the Gospel to every creature." After the treachery and death of Judas Iscariot, Matthias was chosen to fill his place, St. Paul, by virtue of his heavenly commission, is also termed an Apostle.