streep
n. countable B1 Intermediate US //ˈstɹip// streep
n. a long, thin line of color or light that looks different from the area around it.
n. a long, thin mark or band of a different color or texture from its background. Often used to describe patterns on animals or natural light effects.
Usage
Commonly used with 'of' to describe substances or qualities, such as a 'streak of luck' or a 'streak of paint'.