Psaltery

n. ancient stringed musical instrument that is played with the hands

A psaltery is a stringed musical instrument of the harp or the zither family. The psaltery of Ancient Greece (Epigonion) dates from at least 2800 BC, it was a harp-like instrument. Etymologically the word derives from the Ancient Greek ψαλτήριον (psalterion) “stringed instrument, psaltery, harp” and that from the verb ψάλλω (psallo) “to touch sharply, to pluck, pull, twitch” and in the case of the strings of musical instruments, “to play a stringed instrument with the fingers, and not with the plectron” (Liddell and Scott, A Greek-English Lexicon)
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Noun
1. an ancient stringed instrument similar to the lyre or zither but having a trapezoidal sounding board under the strings
(hypernym) stringed instrument

(n.)
A stringed instrument of music used by the Hebrews, the form of which is not known.
  

box zither; raised wooden board or box with soundholes, with strings stretched parallel to the soundboard and attached at either side by wooden pegs or metal pins; usually plucked.