prize ring

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A platform enclosed by ropes on which contending boxers meet.
• noun Professional boxing.

from The Century Dictionary.

• noun A ring or inclosed place for prize-fighting; also, sometimes, the practice itself.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a square ring where boxers fight