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.