The great stream formerly supposed to surround the inhabited world. See ocean-river.(noun)
The Century Dictionary (Public Domain)
Use "ocean-stream" in a sentence
"Then when the ocean-stream ye with your arms deck'd,"
"The ocean-stream could never be so wondrous deep or wide that ever my heart would doubt, but I would go even unto the bottom of the sea, if I might work the will of"
"Then ye two rowed on the sea, where with your arms [outspread] ye covered the ocean-stream, measured the sea-ways, churned up [the water] with your hands, glided over the deep; the sea was tossing with waves, the icy wintry sea."