Southern Ocean

[ suhth-ern oh-shuhn ]

  1. the waters surrounding Antarctica, comprising the southernmost waters of the World Ocean, with its deepest section in the South Sandwich Trench. 8,478,800 square miles (21,960,000 square kilometers).

Origin of Southern Ocean

First recorded in 1660–70, referring to any southern sea; current sense dates from 1700–10

Words Nearby Southern Ocean Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Southern Ocean in a sentence

  • The difficulties of sounding in the Southern Ocean were much increased by the almost constant, heavy swell.

    The Home of the Blizzard | Douglas Mawson
  • The steep swell of the Southern Ocean breaks heavily along the coast.

    The League of the Leopard | Harold Bindloss

British Dictionary definitions for Southern Ocean

Southern Ocean

  1. another name for the Antarctic Ocean

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012