line

noun
līn

A path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight.

Example

“The arrow descended in a curved line.”

Other meanings

An infinitely extending one-dimensional figure that has no curvature; one that has length but not breadth or thickness.
An edge of a graph.

Example sentences

“The song has an interesting melodic line.”
Tatoeba · ddnktr · CC0
“These seem to cross the line to me.”
Tatoeba · shekitten · CC0
“They walk the line between strength and grace.”
Tatoeba · Igider · CC0

Word history

From Old English "līne" (line, cable, rope, hawser, series, row, rule, direction).

Where this comes from

This definition is adapted from “line” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.