\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}.