boundary line
AmericanEtymology
Origin of boundary line
First recorded in 1695–1705
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Robinson is extraordinarily adept at pushing bits to their limit and then skating past that boundary line.
From Salon ● May 12, 2025
Wales sits mostly outside the predicted at-risk boundary line.
From BBC ● Jul. 7, 2023
But many of the California and Arizona border crossings don’t have space for that, because the inspection booths are located too close to the international boundary line.
From Washington Post ● Mar. 9, 2023
His boat was drifting toward a boundary line, beyond which it would be in an illegal zone and subject to a fine.
From Seattle Times ● Aug. 28, 2022
They were twenty-five or thirty miles from the bars on the other side of the reservation boundary line.
From "Ceremony:" by Leslie Marmon Silko
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
