crease /ˈkris/ noun
1 a [count] : a line or mark made by folding, pressing, or crushing something (such as cloth or a piece of paper)
- He ironed his pants to make the creases sharp.
- a crease in the paper
1 b [count] : a line or fold in someone’s skin : WRINKLE
- tiny creases at the corners of his eyes
2 the crease : an area around or in front of a goal in some games (such as hockey)
- Players from the opposing team may not enter the crease.