From HomoExcelsior

1. To break (a sentence) down into its component parts of speech with an explanation of the form, function, and syntactical relationship of each part. 2. To describe (a word) by stating its part of speech, form, and syntactical relationships in a sentence. 3. Stephen Jay Gould 4. To analyze or separate (input, for example) into more easily processed components. Used of software. 5. sentences that do not parse easily.

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