Stone  —n. 1 a solid non-metallic mineral matter; rock. B small piece of this. 2 (often in comb.) Piece of stone of a definite shape or for a particular purpose. 3 a thing resembling stone, e.g. The hard case of the kernel in some fruits. B (often in pl.) Hard morbid concretion in the body. 4 (pl. Same) unit of weight equal to 14 lb. 5 = *precious stone. 6 (attrib.) Made of stone. —v. (-ning) 1 pelt with stones. 2 remove the stones from (fruit).  cast (or throw) stones speak ill of a person. Leave no stone unturned try all possible means. A stone's throw a short distance. [old english]