noun
- declension: undeclined
 
Definitions:
- scale of 4 notes
 - set of 4 strings (in instrument)
 - tetrachord
 
- Age: In use throughout the ages/unknown
 - Area: Drama, Music, Theater, Art, Painting, Sculpture
 - Geography: All or none
 - Frequency: Having only single citation in Oxford Latin Dictionary or Lewis + Short
 - Source: “Oxford Latin Dictionary”, 1982 (OLD)