Meaning of the Sanskrit Word: srotram

  srotram—the sense of hearing    SB 2.6.3, SB 3.26.13, SB 3.26.32
  srotram—the auditory sense    SB 3.26.47, SB 3.26.55
  srotram—the sense for hearing    SB 2.5.31
  srotram—the power of hearing    SB 2.10.22
  srotram—the aural sense    SB 7.12.26, SB 7.12.27, SB 7.12.28, SB 7.12.26-28
  srotram—sense of hearing    SB 2.1.29
  srotram—ears    Bg 15.9

Can't find any compound Sanskrit words containing srotram.