رَاعُوفَةُ بِيءْرٍ

and ↓ أُرْعُوفَتُهَا, (S, O, K,) both mentioned by A'Obeyd, (S, O,) A piece of rock that is left in the bottom of a well, being there when it is dug, in order that the cleanser of the well may sit upon it in cleansing it: or a stone that is at the head of the well, upon which the drawer of water stands. (S, O, K.) It is said in a tradition, “ When he (Mohammad) was enchanted, his charm was put into the spathe (جُفّ) of a palm-tree, and buried beneath the راعوفة of the well. ” (S, O.)