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Definition of "boundary" []

  • Something that indicates a border or limit. (noun)
  • The border or limit so indicated. (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.

Use "boundary" in a sentence
  • "Here's a quick review: To create a multipart message, use the Content-type of multipart/alternative and a boundary that contains unique alphanumeric text to designate the HTML and text portions of the e-mail. $boundary = "= = MP_Bound_xyccr948x = ="; $headers ="
  • "The term boundary fence -- not a wall, people can hide behind walls -- was a misnomer."
  • "The term boundary fence — not a wall, people can hide behind walls — was a misnomer."