5 occurrences in 5 dictionaries
Reference: Ahishar
Easton
brother of song = singer, the officer who was "over the household" of Solomon (1Ki 4:6).
Fausets
Hastings
Superintendent of Solomon's household (1Ki 4:6).
Morish
Ahi'shar
A prince 'over the household' of Solomon. 1 Kings 4:6.