Meaning of the Sanskrit Word: vrkam

  vrkam—Vrka    SB 7.2.18, SB 7.2.19, SB 7.2.18-19, SB 9.24.28, SB 9.24.29, SB 9.24.30, SB 9.24.31, SB 9.24.28-31
  vrkam—of the name Vrka    SB 4.22.54

Can't find any compound Sanskrit words containing vrkam.