blue line

American  

noun

Ice Hockey.

1. either of two lines of the color blue that are parallel to and equidistant from the goal lines and divide the rink into three zones of equal size.

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Etymology

Origin of blue line

First recorded in 1925–30

Example Sentences

See Examples For:

blue line

Last week the blue line crossed above the green line.

From MarketWatch ● May 21, 2026

So when they did finally turn him out, he dragged himself to the blue line, and got on without paying, and he didn’t see any cops, and he didn’t get arrested.

From Slate ● Jan. 27, 2026

The last time I visited, I sat by the window, with the blue line buzzing overhead, and slipped one of those postcards into an envelope addressed to one of my closest friends in California.

From Salon ● Apr. 10, 2025

Philip Broberg scored a goal from just inside the blue line for the Oilers.

From Seattle Times ● May 31, 2024

Then he pointed to a spot nearby where the blue line of the Copper River curved north.

From "I Survived the Great Alaska Earthquake, 1964" by Lauren Tarshis