Parse and Parser

verb

• Analyze syntactically by assigning a constituent structure to (a sentence. ).

(n.) To resolve into its elements, as a sentence, pointing out the several parts of speech, and their relation to each other by government or agreement; to analyze and describe grammatically.

noun

• A computer program that divides code up into functional components.
  • usage: "compilers must parse source code in order to translate it into object code"

(n.) One who parses.