metastasize

from WordNet (r) 3.0 (2006)

metastasize
    v 1: spread throughout the body; "the cancer had metastasized
         and the patient could not be saved" [syn: {metastasize},
         {metastasise}]

from The Collaborative International Dictionary of English v.0.48

metastasize \metastasize\ v.
   to spread from one part of the body to other parts, and grow
   there; to spread by metastasis[3]; -- said of cancer cells.
   [WordNet 1.5]

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