Streaks meaning : An irregular line left from smearing or motion. A continuous series of like events. The color of the powder of a mineral. So called, because a simple field test for a mineral is to streak it against unglazed white porcelain. A moth of the family Geometridae, Chesias legatella. A tendency or characteristic, but not a dominant or pervasive one. A strake. A rung or round of a ladder. The act of streaking, or running naked through a public area To have or obtain streaks. To run naked in public. (Contrast flash) To create streaks. To move very swiftly. To stretch; to extend; hence, to lay out, as a dead body.