au cas où

Conjunction

 * 1) in case (+ conditional or subjunctive)

Usage notes

 * Traditionally and according to the prescription of the, the following verb should be in the conditional mood:
 * However, in modern informal language, the verb is sometimes found in the subjunctive mood, though the conditional remains more common:
 * However, in modern informal language, the verb is sometimes found in the subjunctive mood, though the conditional remains more common:

Adverb

 * 1) just in case