Dī-gĕst'er, n.

n. 1. One who digests.

2. A medicine or article of food that aids digestion, or strengthens the digestive power of the stomach.
3. A strong closed vessel, in which bones or other substances may be subjected, usually in water or other liquid, to a temperature above that of boiling. Papin's digesters, by which the hardest bones of beef itself, and mutton, were made as soft as cheese without water or other liquor. Evelyn.