ROLE n.
A part, or character, performed by an actor in a drama; hence, a part of function taken or assumed by any one; as, he has now taken the rôle of philanthropist. Title rôle, the part, or character, which gives the title to a play, as the part of Hamlet in the play of that name.
SALT a.
d (Chem.), hydrochloric acid. -- Salt block, an apparatus for evaporating brine; a salt factory. Knight. -- Salt bottom, a flat piece of ground covered with saline efforescences. [Western U.S.] bartlett. -- Salt cake (Chem.), the white caked mass, consisting of sodium sulphate, which is obtained as the product of th…