Real Dictionary

digest
verb: If you digest information, you think about it carefully so that you understand it.
verb: If you digest some unpleasant news, you think about it until you are able to accept it and know how to deal with it.
verb: When food digests or when you digest it, it passes through your body to your stomach. Your stomach removes the substances that your body needs and gets rid of the rest.

digest in American English
a condensed but comprehensive account of a body of information; summary or synopsis, as of scientific, legal, or literary material
to arrange or classify systematically, usually in condensed form
to be digested
intransitive verb: to digest food
noun: a collection or compendium, usually of literary, historical, legal, or scientific matter, esp. when classified or condensed
transitive verb: to convert (food) in the alimentary canal into absorbable form for assimilation into the system

digest in British English
noun: a comprehensive and systematic compilation of information or material, often condensed
noun: an arrangement of excerpts from the writings and opinions of eminent lawyers, contained in 50 books compiled by order of Justinian in the sixth century ad
verb: to subject (food) to a process of digestion