What is "assamar"

Assamar \As"sa*mar\, n. [L. assare to roast + amarus, bitter.] (Chem.) The peculiar bitter substance, soft or liquid, and of a yellow color, produced when meat, bread, gum, sugar, starch, and the like, are roasted till they turn brown.

n. (context organic compound obsolete English) The soft, bitter, yellow substance produced when meat, bread, gum, sugar, starch, etc. are roasted till they turn brown.