KJV Dictionary Definition: epistle
EPIS'TLE, n. epis'l. L. epistola; Gr. to send to; to send.
A writing, directed or sent, communicating intelligence to a distant person; a letter; a letter missive. It is rarely used in familiar conversation or writings, but chiefly in solemn or formal transactions. It is used particularly in speaking of the letters of the Apostles, as the epistles of Paul; and of other letters written by the ancients, as the epistles of Pliny or of Cicero.
EPIS'TLER, n. A writer of epistles. Little used.
1. Formerly, one who attended the communion table and read the epistles.