Cerasin \Cer"a*sin\, n. (Chem.)
A white amorphous substance, the insoluble part of cherry
gum; -- called also {meta-arabinic acid}.
[1913 Webster]
2. (Chem.) A gummy mucilaginous substance; -- called also
{bassorin}, {tragacanthin}, etc.
[1913 Webster]