Definition of "seven seas" [seven seas]

• All the oceans of the world. (noun-plural)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "So he said to Hasan, O my son, put away from thee this peine forte et dure; for thou canst never gain access to the Islands of Wak, though the Flying Jinn and the Wandering Stars were with thee; for that betwixt thee and these islands are seven Wadys and seven seas and seven mighty mountains."