The Collaborative International Dictionary of English v.0.48:

Pancratium \Pan*cra"ti*um\, n. [L., fr. Gr. pagkra`tion a
   complete contest, fr. pagkrath`s all-powerful; pa^s, pa^n,
   all + kra`tos strength.]
   [1913 Webster]
   1. (Gr. Antiq.) An athletic contest involving both boxing and
      wrestling.
      [1913 Webster]

   2. (Bot.) A genus of Old World amaryllideous bulbous plants,
      having a funnel-shaped perianth with six narrow spreading
      lobes. The American species are now placed in the related
      genus Hymenocallis.
      [1913 Webster]