Meaning of the Sanskrit Word: sulam

  sulam—trident    SB 3.19.13, SB 6.12.1, SB 7.2.3, SB 8.10.56
  sulam—a trident    SB 4.5.6, SB 5.25.3
  sulam—the trident    SB 6.12.2
  sulam—a spear    SB 8.11.30
  sulam—lance    SB 8.10.44

Can't find any compound Sanskrit words containing sulam.