What does CANDLEMAS-DAT mean?

CANDLEMAS-DAT meaning in Law Dictionary

In English law. A festival appointed because of the church is seen in the 2nd day of February in almost every year, honoring the purification of this Virgin Mary, being forty days after the woman miraculous delivery. Only at that event, kind erly, the Protestants went, therefore the Papists now go, in procession with lighted candles; they also consecrate candles on this day the solution associated with ensuing year. It's the fourth of the four mix quarter-days of the season. Wharton