Meaning of the Sanskrit Word: samrat

  samrāṭ—the Emperor    SB 1.4.10, SB 1.17.21, SB 1.18.7, SB 3.21.25
  saṁrāṭ—the emperor    SB 9.20.33
  samrāṭ—Emperor    SB 1.18.46
  samrāṭ—the king of all kings    SB 3.13.2
  samrāṭ—Emperor Manu    SB 3.22.1
  samrāṭ—the Emperor (Manu)    SB 3.22.24
  samrāṭ—named Samrāṭ    SB 5.15.14-15

Can't find any compound Sanskrit words containing samrat.