Webster's Revised Unabridged Dictionary · 1913

Sistrum

Sistrum

[Latin, from Greek {not transcribed}, from {not transcribed} to shake.]

(Music) An instrument consisting of a thin metal frame, through which passed a number of metal rods, and furnished with a handle by which it was shaken and made to rattle. It was peculiarly Egyptian, and used especially in the worship of Isis. It is still used in Nubia.