What is "crocose"

Crocose \Cro"cose\ (kr[=o]"k[=o]s), n. [Gr. kro`kos saffron.] (Chem.) A white crystalline sugar, metameric with glucose, obtained from the coloring matter of saffron. [Written also crokose.]

n. (context chemistry English) A white crystalline sugar, metameric with glucose, obtained from the colouring matter of saffron.