Home › Words › K › kathismakathismakathisma means A division of the psalter, used by Eastern Orthodox Christians and Eastern Catholics who follow the Byzantine Rite.EtymologyBorrowed from Byzantine Greek κάθισμα (káthisma, “a seat”).nounA division of the psalter, used by Eastern Orthodox Christians and Eastern Catholics who follow the Byzantine Rite.A troparion, or hymn, chanted at matins after each such division of the psalter.A hinged seat used in monastic churches, having a full back attached to the wall.Definitions & examples from Wiktionary (CC BY-SA 3.0).