gelatin
     n 1: a colorless water-soluble glutinous protein obtained from
          animal tissues such as bone and skin [syn: {gelatine}]
     2: an edible jelly (sweet or pungent) made with gelatin and
        used as a dessert or salad base or a coating for foods
        [syn: {jelly}]
     3: a thin translucent membrane used over stage lights for color
        effects [syn: {gel}]
Source: WordNet® 2.0