Definition of misfield:
(n) :
(baseball, cricket, rugby) A failure to field (“catch or intercept and play”) a ball properly.
(v) :
(transitive) To field (“catch or intercept and play”) (a ball) clumsily or ineptly; in cricket this can result in the batsman scoring another run.
(v) :
(intransitive) To field a ball clumsily or ineptly.