\Mal"le*a*ble\, a. [F. mall['e]able, fr. LL. malleare
to hammer. See {Malleate}.]
Capable of being extended or shaped by beating with a hammer,
or by the pressure of rollers; -- applied to metals.
{Malleable iron}, iron that is capable of extension or of
   being shaped under the hammer; decarbonized cast iron. See
   under {Iron}.
{Malleable iron castings}, articles cast from pig iron and
   made malleable by heating then for several days in the
   presence of some substance, as hematite, which deprives
   the cast iron of some of its carbon.