[gel.a.tin] also gel.a.tine n [F gelatine edible jelly, gelatin, fr. It gelatina, fr. gelato, pp. of gelare to freeze, fr. L--more at cold] (1800) 1: glutinous material obtained from animal tissues by boiling; esp: a colloidal protein used as a food, in photography, and in medicine
2. a: any of various substances (as agar) resembling gelatin b: an edible jelly made with gelatin
3: gel
2.