Definition of "epistle" in English

noun

1. A literary composition in the form of a letter or series of letters, especially one in verse.

2. (chiefly literary or humorous) A letter, especially one which is formal or issued publicly.

3. One of the books of the New Testament which was originally a letter issued by an apostle to an individual or a community.

4. An extract from a New Testament epistle (noun, sense 3.1) or book other than a gospel which is read during a church service, chiefly the Eucharist.

verb

1. To write (something) in, or in the form of, a letter.

2. To write a letter to (someone).

3. To write (something) as an introduction or preface to a literary work; also, to provide (a literary work) with an introduction or preface.

4. To write a letter.

5. To communicate with someone through a letter.