[noun] a lump or mass of hard consolidated mineral matter; "he threw a rock at me" Synonyms: rock
[noun] material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries" Synonyms: rock
[noun] building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
[noun] a crystalline rock that can be cut and polished for jewelry; "he had the gem set in a ring for his wife"; "she had jewels made of all the rarest stones" Synonyms: gem, gem
[noun] the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed; "you should remove the stones from prunes before cooking" Synonyms: pit, endocarp
[noun] an avoirdupois unit used to measure the weight of a human body; equal to 14 pounds; "a heavy chap who must have weighed more than twenty stone"