The Collaborative International Dictionary of English v.0.48:

Tritorium \Tri*to"ri*um\, n. [NL.]
   Same as Triturium.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Triturium \Tri*tu"ri*um\, n. [NL.; cf. L. terere, tritum to
   rub.]
   A vessel for separating liquids of different densities.
   [Written also tritorium.]
   [1913 Webster]