Definition of epistolographist in US English:

epistolographist

noun

literary
  • A writer of letters.

Origin

Early 19th century; earliest use found in Thomas F. Dibdin (1776–1847), bibliographer. From Hellenistic Greek ἐπιστολογράϕος letter-writer, secretary + -ist.

Pronunciation

epistolographist

/ɪˌpɪstəˈlɒɡrəfɪst/