[ˏkwinkwә'dʒesimә]
n.
四旬斋前的星期日

[ noun ]
the Sunday before Ash Wednesday (the beginning of Lent)
<noun.time>

Quinquagesima \Quin`qua*ges"i*ma\, a. [L., fr. quinquagesimus
the fiftieth, akin to quinquaginta fifty, quinque five. See
{Five}.]
Fiftieth.

{Quinquagesima Sunday}, the Sunday which is the fiftieth day
before Easter, both days being included in the reckoning;
-- called also {Shrove Sunday}.