digester

From digest +‎ -er.

digester (plural digesters)

1. One who, or that which, digests.
2. 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.
3. (dated) A medicine or food that aids digestion, or strengthens digestive power.
   • a. 1700, William Temple, “Of Health and Long-life”, in Miscellanea. The Third Part. [...], London: […] Jonathan Swift, […] Benjamin Tooke, […], published 1701, →OCLC, page 174:

     Rue is [...] a great Digeſter and Reſtorer of Appetite; [...]

• steam digester

• Estridge, estridge, gedrites, redigest