Dictionary definition · crease
noun
- an angular or rounded shape made by folding"a fold in the napkin"
- a slight depression or fold in the smoothness of a surface"his face has many lines"
- a Malayan dagger with a wavy blade
verb
- make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; ‘crisp’ is archaic"The dress got wrinkled"
- make wrinkled or creased"furrow one's brow"
- scrape gently"graze the skin"
- become wrinkled or crumpled or creased"This fabric won't wrinkle"
Source: Open English WordNet (CC BY 4.0).