boundary Hear it!

boundary definition

bound·a·ry (bo̵un′drē, -də rē)

noun pl. boundaries -·ries

any line or thing marking a limit; bound; border

Etymology: bound + -ary

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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