Sinistrin \Sin"is*trin\ (s[i^]n"[i^]s*tr[i^]n), n. [L. sinister
left.] (Chem.)
A mucilaginous carbohydrate, resembling achroodextrin,
extracted from squill as a colorless amorphous substance; --
so called because it is levorotatory.
[1913 Webster]