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.
There have already been at least two deadly incidents near the boundary line.
From BBC ● Oct. 23, 2025
Moving that established boundary line back and forth gives Reijn, Kidman and Dickinson a delicious opportunity to keep things strange.
From Salon ● Dec. 23, 2024
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
“A baby, by the looks of him. Probably why he couldn’t get past the boundary line as easily as the bulls. Tyson’s one of the homeless orphans.”
From "The Sea of Monsters" by Rick Riordan
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.
