Designed and equipped to be capable of sailing on an ocean.(adjective)
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Use "ocean-going" in a sentence
"The P.C. Company owned fleets of river-steamers and ocean-going craft, and, in addition to farming the sea, exploited a hundred thousand square miles or so of the land that, on the maps of geographers, usually occupies the white spaces."
"Option Four is to be married by the Captain of a US-flagged ocean-going vessel on the High Seas."
"At the first meal on the ocean-going steamship out of St. Michaels,"