Catholic Dictionary
Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.
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HEORTOLOGY
The study of religious calendars. More specifically, the science of the history and meaning of the seasons and festivals of the Christian Church year. (Etym. Greek heorte, feast + logia, science, knowledge.)
