D defs.my
Entry 1 sense Webster, 1913

muckrake

/(mŭk"rāk`)/ · muck·rake · IPA /mˈʌkrˌeɪk/
01 v. i. To seek for, expose, or charge, especially habitually, corruption, real or alleged, on the part of public men and corporations.
imp. & p. p. -raked; p. pr. & vb. n. -raking
  1. 1.
    To seek for, expose, or charge, especially habitually, corruption, real or alleged, on the part of public men and corporations.