chalkstone noun2 •A chalk-like concretion, consisting mainly of urate of sodium, found in those affected with gout; a tophus.[T]he thoughts of his breeding Gout so fast shocks me: it has beside all the rest made a Deposit in the Great Toe—I mean in the Joint, as if intending a Chalkstone. — 1794 •(no longer used) A mass or piece of chalk.[W]hen he maketh all the stones of the altar as chalkstones that are beaten in sunder, the groves and images shall not stand up. — 1611 formschalkstones
