Definition of "sea room" []

• Unobstructed space at sea adequate for maneuvering a ship. (noun)

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.

• "The Commodore wrote: "I decided to move my patrol into the area north and east of English Bank, as I considered that a battle in the very restricted water just outside the three-mile limit off Montevideo was impractical, owing to the lack of sea room and possibility of 'overs' landing in Uruguay and causing international complications.""
• "Then they shook out two reefs and tried to drive her out in little tacks as their sea room got less and less."
• "Had the battle begun three hours earlier, had the visibility been that of the Falkland Islands battle, had there been the same ample sea room given Sturdee against Spee, the outcome at Jutland would have been different."