Quin'qua-gēs'i-mā, a.

a. [Lat., from quinquagesimus, the fiftieth, from quinquaginta, fifty; It., Sp., & Pg. quinquagesima, Pr. quinquagesima, Fr. quinquagésime.] Fiftieth.

Quinquagesima Sunday, the Sunday which is about the fiftieth day before Easter;—called also Shrove Sunday.