quinquagesima Meaning, Definition & Usage

  1. noun the Sunday before Ash Wednesday (the beginning of Lent)
    Quinquagesima Sunday.

WordNet

Quin`qua*ges"i*ma adjective
Etymology
L., fr. quinquagesimus the fiftieth, akin to quinquaginta fifty, quinque five. See Five.
Definitions
  1. Fiftieth.

Webster 1913