To break (a sentence) down into its component components of message with a description associated with kind, function, and syntactical relationship of each and every part.
to spell it out (a word) by stating its section of address, kind, and syntactical connections in a sentence.
To examine closely or subject to detailed analysis, especially by breaking up into components: "What are we missing by parsing the behavior of chimpanzees into the conventional categories recognized largely from our own behavior?” ( Stephen Jay Gould).
to help make feeling of; comprehend: I simply cannot parse what you simply stated.
Computer Science to investigate or individual (input, as an example) into quicker processed components.
To resolve into its elements, as a sentence, pointing out of the several elements of speech, and their particular regards to both by government or agreement; to evaluate and describe grammatically.
In sentence structure, to explain grammatically by telling the part of speech of, as a word, or of each term in, as a sentence, determining and explaining its grammatical kind, and showing its reference to another terms in phrase; fix, as a sentence, into its grammatical parts: since, to parse a line in Virgil.