any of the first seven letters of the alphabet that are used to denote Sundays in a given year in order to determine the dates of various festivals, e.g. Easter, in the Church calendar
| 单词 | dominical letter |
| 释义 | dominical letternounany of the first seven letters of the alphabet that are used to denote Sundays in a given year in order to determine the dates of various festivals, e.g. Easter, in the Church calendar |
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