Easton's Bible Dictionary (1897)
Watchman, a Levite of the family of Merari (1 Chr. 26:10).
Smith's Bible Dictionary (1863)
(vigilant), properly Shimri, son of Hosah, a Merarite Levite in the reign of David.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SIM'RI (watchful), a Merarite Levite in the time of David. 1 Chr 26:10.