prov

Etymology
From.

Noun

 * 1) a test, a trial
 * 2) a test, an exam, a quiz (for example in school)
 * 3) a sample
 * 1) a test, an exam, a quiz (for example in school)
 * 2) a sample
 * 1) a sample

Usage notes
The alternative plural declension is only used with the sense "sample".