The title of ( Psalms 5:1 ) in the Authorized Version is rendered "To the chief musician upon Nehiloth ." It is most likely that nehiloth is the general term for perforated wind-instruments of all kinds, as neginoth denotes all manner of stringed instruments.
[N] indicates this entry was also found in Nave's Topical Bible
[E] indicates this entry was also found in Easton's Bible Dictionary
Bibliography InformationSmith, William, Dr. "Entry for 'Nehiloth'". "Smith's Bible Dictionary".