From The Collaborative International Dictionary of English v.0.48:
Ingest \In*gest"\, v. t. [L. ingenium, p. p. of ingerere to put
in; pref. in- in + gerere to bear.]
1. To take into, or as into, the stomach or alimentary canal.
--Sir T. Browne.
[1913 Webster]
2. To take into the body by any means, as by inhalation,
injection, absorption, as well as through the mouth.
[PJC]