Source : Webster's Revised Unabridged Dictionary (1913)

Infarct \In*farct"\, n. [See {Infarce}.] (Med.)
   (a) An obstruction or embolus.
   (b) The morbid condition of a limited area resulting from
       such obstruction; as, a hemorrhagic infarct.

Source : WordNet®

infarct
     n : localized necrosis resulting from obstruction of the blood
         supply [syn: {infarction}]