lineation

UK: /ˌlɪnɪˈeɪʃən/ US: (lin′ē ā′shən)

WordReference Random House Unabridged Dictionary of American English © 2026

lin•e•a•tion  (lin′ē ā′shən), n. 

1. an act or instance of marking with or tracing by lines.
2. a division into lines.
3. an outline or delineation.
4. an arrangement or group of lines.

• Late Latin līneātiōn- (stem of līneātiō) the drawing of a line, Latin: direction, line. See lineate, -ion
• Middle English lyneacion 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::

lineation / ˌlɪnɪˈeɪʃən/ noun

1. the act of marking with lines
2. an arrangement of or division into lines