1.an unbroken series of events;
had a streak of bad luck
2.a distinctive characteristic;
he has a stubborn streak
3.a marking of a different color or texture from the background
4.a sudden flash (as of lightning)
1.move quickly in a straight line;
The plane streaked across the sky
2.run naked in a public place
3.mark with spots or blotches of different color or shades of color as if stained