crease

US /kriːs/
UK /kriːs/
"crease" picture
1.

a line or ridge produced on paper or cloth by folding, pressing, or crushing it

:
He smoothed out the crease in his trousers.
There was a sharp crease down the middle of the letter.
2.

(in cricket) any of the lines marking the limits of the bowler's or batter's ground

:
The bowler must deliver the ball from behind the popping crease.
The batsman was run out after stepping outside the crease.
1.

make a crease in (cloth or paper)

:
Don't crease the map!
The fabric tends to crease easily.