You searched for: “computus
computus (s) (noun)
1. A computation, a reckoning; an account.
2. The medieval name for a set of tables for practically calculating astronomical occurrences and the movable dates of the calendar: "The calculation of the date of Easter in the Christian calendar is the computus which has been used for this procedure since the early Middle Ages because it was one of the most important computations of the age."
This entry is located in the following unit: put-, puta-, -pute, -puter, -puting, -putate, -putation, -putative (page 2)