quinquagesima
n. கிறித்தவ நோன்பு விழாவுக்கு முந்திய ஞாயிற்றுக்கிழமை.
Quin`qua*ges"i*ma, a. Etym: [L., fr. quinquagesimus the fiftieth, akin to quinquaginta fifty, quinque five. See Five.] Defn: Fiftieth. Quinquagesima Sunday, the Sunday which is the fiftieth day before Easter, both days being included in the reckoning; -- called also Shrove Sunday.