The Collaborative International Dictionary of English v.0.48:
Lententide \Lent"en*tide`\ (-t[imac]d`), n. The season of Lenten or Lent. [1913 Webster]WordNet (r) 3.0 (2006):
Lententide n 1: a period of 40 weekdays from Ash Wednesday to Holy Saturday [syn: Lent, Lententide]