I. i-ˈpis-tə-ˌler-ē, ˌe-pi-ˈstȯ-lə-rē adjective
Date: circa 1656
1. : of, relating to, or suitable to a letter
2. : contained in or carried on by letters
an endless sequence of… epistolary love affairs — Times Literary Supplement
3. : written in the form of a series of letters
an epistolary novel
II. noun
( plural -lar·ies )
Date: circa 1900
: a lectionary containing a body of liturgical epistles