Meaning of the Sanskrit Word: sarabhaih

  sarabhaih—on the backs of sarabhas    SB 8.10.10, SB 8.10.11, SB 8.10.12, SB 8.10.10-12
  sarabhaih—with forest asses    SB 4.6.19, SB 4.6.20, SB 4.6.19-20

Can't find any compound Sanskrit words containing sarabhaih.