also: よこせん
horizontal line
Refers to a line drawn horizontally, often contrasted with 縦線 (vertical line). Used in contexts like writing, drawing, or diagrams.
See also: 縦線 (じゅうせん)
Draw a horizontal line in the notebook.
In this diagram, the horizontal line represents the time axis.
I drew horizontal lines in my notebook to make a table.
I crossed out the wrong answer with a horizontal line.