level line

American  

noun

1. contour line.

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Etymology

Origin of level line

First recorded in 1660–70

Example Sentences

Thomas said all seats have an indicator: It might be a level line or a level bubble on the carrier itself or on the carrier base.

From Los Angeles Times • May 27, 2022

Place the top tile edge on the level line and press the tile into place, peeling off the remaining backing as you go.

From Washington Post • Mar. 14, 2022

I saw it as it came on a straight, level line from the east; a flash like a meteor of glistening white.

From Astounding Stories, June, 1931 by Various

Living in the open air and on the ground, the lop-sided beam of the balance slowly rises to the level line; and the over-sensibilities and insensibilities even themselves out.

From Talks To Teachers On Psychology; And To Students On Some Of Life's Ideals by James, William

When morning came, I again surveyed the horizon, but could see no object along its level line.

From The Desert Home The Adventures of a Lost Family in the Wilderness by Reid, Mayne