The phrase "cut line" refers to the point or boundary where something is divided or separated. It can also refer to the act of marking or trimming something along a specific line to create a desired shape or size.
Sentences with «cut line»
However, adding another line down there at your knee can easily cut the line of your leg up in weird places. (babble.com)
He's 3 - over for the day and 4 - over for the tournament, hovering just inside the projected cut line. (sbnation.com)
I felt like i couldn't get a clean cut line for it to look flawless. (maybelline.com)