Di*gest"er (?), n.
1.
One who digests.
2.
A medicine or an article of food that aids digestion, or strengthens digestive power.
Rice is . . . a great restorer of health, and a great digester.
Sir W. Temple.
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, in order to soften them.
© Webster 1913.