4 occurrences in 4 dictionaries

Reference: Helkai

Easton

smooth-tongued, one of the chief priests in the time of Joiakim (Ne 12:15).

Fausets

12/3/type/common'>Ne 12:3,10,12,15.

Hastings

A priest (Ne 12:15).

Morish

Hel'kai

Priest in the family of Meraioth. Ne 12:15.