|Easton's Bible Dictionary|
Rejoicing of Jehovah, one of David's thirty-seven guards (2 Samuel 23:30).
Int. Standard Bible Encyclopedia
hid'-a-i, hi-da'-i (hidday; Alexandrian Haththai): One of David's thirty "mighty men" (2 Samuel 23:30), described as "of the brooks of Gaash." In the parallel list in 1 Chronicles 11:32 the form of the name is "Hurai" (huray).
Hiddai (1 Occurrence)
2 Samuel 23:30 Benaiah a Pirathonite, Hiddai of the brooks of Gaash. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)