<p><strong>Noun</strong></p><ul><li>the hard substance, formed of mineral matter, of which rocks consist.</li><li>a rock or particular piece or kind of rock, as a boulder or piece of agate.</li><li>a piece of rock quarried and worked into a specific size and shape for a particular purpose: building stone.</li><li>a small piece of rock, as a pebble.</li><li>precious stone.</li><li>Chiefly British: one of various units of weight, especially the British unit equivalent to 14 pounds (6.4 kilograms).</li><li>something resembling a small piece of rock in size, shape, or hardness.</li><li>any small, hard seed, as of a date; pit.</li><li>the hard endocarp of a drupe, as of a peach.</li><li>a calculous concretion in the body, as in the kidney, gallbladder, or urinary bladder.</li><li>a gravestone or tombstone.</li><li>grindstone: Don’t even think about using that stone until you’ve got your safety glasses on.</li><li>millstone: The gristmill’s original pair of stones were made from volcanic lava deposits in southern Italy.</li><li>hailstone: With many verified reports of stones as large as 6 inches in diameter, we can tell you this was no ordinary hailstorm.</li><li>curling stone: Friction between the stone and the surface of the ice is controlled by many parameters, including velocity.</li><li>any of various artificial materials imitating cut stone or rubble.</li><li>a table with a smooth surface, formerly made of stone, on which page forms are composed.</li><li>(in lithography) any surface on which an artist draws or etches a picture or design from which a lithograph is made.</li><li>a playing piece in the game of dominoes, checkers, or backgammon.</li><li>Slang: Vulgar. Usually stones: testes.</li></ul><p><strong>Adjective</strong></p><ul><li>made of or pertaining to stone.</li><li>made of stoneware: a stone mug or bottle.</li><li>stonelike; stony; obdurate: stone strength.</li><li>a stone killer; stone strength.</li></ul><p><strong>Adverb</strong></p><ul><li>completely; totally (usually used in combination): stone cold.</li></ul><p><strong>Verb</strong></p><ul><li>to throw stones at; drive by pelting with stones.</li><li>to put to death by pelting with stones.</li><li>to provide, fit, pave, line, face or fortify with stones.</li><li>to rub (something) with or on a stone, as to sharpen, polish, or smooth.</li><li>to remove stones from, as fruit.</li><li>Obsolete: to make insensitive or unfeeling.</li></ul>