Meaning of the Sanskrit Word: sindhavah

  sindhavah—the seas    SB 3.12.26, SB 4.15.20
  sindhavah—oceans    SB 5.1.31, SB 5.16.2
  sindhavah—the oceans    SB 4.19.9
  sindhavah—the oceans and seas    SB 9.10.52
  sindhavah—all the oceans    SB 3.11.31

Can't find any compound Sanskrit words containing sindhavah.