|Easton's Bible Dictionary|
Visions, a Kohathite Levite, chief of the twenty-third course of musicians (1 Chronicles 25:4, 30).
Int. Standard Bible Encyclopedia
ma-ha'-iz-oth, ma-ha'-zi-oth (machazi'oth "visions"): One of the 14 sons of Heman the Kohathite in the temple choir. "He was leader of the 23rd course of musicians whose function was to blow the horns" (1 Chronicles 25:4, 30).
Mahazioth (2 Occurrences)
1 Chronicles 25:4 Of Heman; the sons of Heman: Bukkiah, Mattaniah, Uzziel, Shebuel, and Jerimoth, Hananiah, Hanani, Eliathah, Giddalti, and Romamti-Ezer, Joshbekashah, Mallothi, Hothir, Mahazioth. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
1 Chronicles 25:30 for the three and twentieth to Mahazioth, his sons and his brothers, twelve: (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)