The Collaborative International Dictionary of English v.0.48:

Trichiniasis \Trich`i*ni"a*sis\, n. [NL.] (Med.)
   Trichinosis.
   [1913 Webster]

WordNet (r) 3.0 (2006):

trichiniasis
    n 1: infestation by trichina larvae that are transmitted by
         eating inadequately cooked meat (especially pork); larvae
         migrate from the intestinal tract to the muscles where they
         become encysted [syn: trichinosis, trichiniasis,
         myositis trichinosa]