streak A thin mark that is easy to see because of the difference to the area around it (http://dictionary.cambridge.org/de/worterbuch/englisch/streak)
Example:
And with the juice of this I'll streak her eyes, and make her full of hateful fantasies
Czech translation: pruh
French translation: ligne
German translation: Strich
Persian translation: خط
Polish translation: smuga
Spanish translation: racha
Swedish translation: strimma