markerline
nounUK /ˈmɑːkəlaɪn/
US /ˈmɑːrkərlaɪn/
A markerline is a line drawn to show where something is or where it goes.
The teacher drew a markerline on the paper so we knew where to cut.
OTHER MEANINGS
2. A visible line left by a pen or marker on a surface.
There was a blue markerline across the whiteboard.
3. A line on a map or chart that marks a boundary or route.
The hikers followed the markerline to the campsite.
4. A line used in sports to show the edge of the playing area.
The ball rolled past the markerline and went out of play.