Prova (It.)
Rehearsal.
Psaltery, Psalterium (Lat.), Salterio (It.), Psalterion (Fr.), Psalter (Ger.) [from Gr., psaltein, to harp]. Ancient instrument, consisting of a square, oblong, or triangular flat box, with wire strings stretched across it, played by the fingers, each of which is armed with a ring with a short projecting plectrum. The same instrument is called a dulcimer when played by two small hammers, held one in each hand.