Definition of "dissect"

dissect

/dɪˈsɛkt/

verb
third-person singular simple present dissects, present participle dissecting, simple past and past participle dissected
1. (transitive) To study an animal's anatomy by cutting it apart; to perform a necropsy or an autopsy.
  Quotations
  She was the first person in her class to properly dissect the sheep heart.
  2020, Brit Bennett, The Vanishing Half, Dialogue Books, page 130
2. (transitive) To study a plant or other organism's anatomy similarly.
3. (transitive) To analyze an idea in detail by separating it into its parts.
4. (transitive, anatomy, surgery) To separate muscles, organs, and so on without cutting into them or disrupting their architecture.
5. (transitive, pathology) Of an infection or foreign material, following the fascia separating muscles or other organs.