Vihuela

Vihuela is a name given to two different guitar-like string instruments: one from 16th century Spain, usually with 12 paired strings, and the other, the Mexican vihuela, from 20th century Mexico with five strings and typically played in Mariachi bands.
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n. early form of the guitar

plucked chordophone of the guitar family. Now popular in Central America, it is very similar to the Spanish renaissance vihuela.