level line

American  

noun

1. contour line.

---

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

Far out on the horizon a level line of smoke showed where an unseen steamer was crawling along under the edge of the sapphire sphere.

From Masterpieces of Mystery Riddle Stories by French, Joseph Lewis

Also, the level line on which any work stands, as the foot of a pillar.

From The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. by Belcher, Edward, Sir

Bright as the dazzling jasmine shine Thy small square teeth in level line.

From The Rámáyan of Válmíki, translated into English verse by Griffith, Ralph T. H. (Ralph Thomas Hotchkin)