Dictionary definition · streak
noun
- an unbroken series of events"had a streak of bad luck"
- a distinctive characteristic"he has a stubborn streak"
- a narrow marking of a different color or texture from the background"a green toad with small black stripes or bars"
- a sudden flash (as of lightning)
verb
- move quickly in a straight line"The plane streaked across the sky"
- run naked in a public place
- mark with spots or blotches of different color or shades of color as if stained
Source: Open English WordNet (CC BY 4.0).