noun
line-marking machine; line painter
A machine used to draw white lines on sports fields, parking lots, or roads. Wasei-eigo from 'line car'.
wasei-eigo (Japanese-coined English), from line car
運動会の前に、グラウンドにラインカーで白線を引いた。
Before the sports day, we drew white lines on the field with a line-marking machine.