Meaning of the Sanskrit Word: dhiranam

  dhiranam—of the greatest learned persons    SB 9.11.35
  dhiranam—from the sober sect    Iso 10
  dhiranam—from the undisturbed authorities    Iso 13
  dhiranam—of the perfect beings    SB 1.3.13
  dhiranam—of great sages    SB 3.4.34

Can't find any compound Sanskrit words containing dhiranam.