Guitarra latina
From Infogalactic: the planetary knowledge core

Guitarra latina (left) and guitarra morisca (right)
The guitarra latina is a plucked string instrument of the Medieval period in Europe. It has single string courses, and it is normally played with a pick. This gittern with curved sides is illustrated in the medieval musical text the Cantigas de Santa Maria, alongside another gittern, the guitarra morisca.
References
- The New Grove Dictionary of Music and Musicians. Macmillan Publishers, 1980. ISBN 1-56159-229-3.