Dissect/dɪˈsekt/ Definition 1 of 2Pro Tip 1/3Academic Practice Used in educational settings, often during practical science classes. Tomorrow, we will dissect a sheep heart in anatomy class. Pro Tip 2/3Precise Technique Implies careful cutting to reveal internal parts without damaging them. Surgeons must dissect tissues precisely to avoid complications. Pro Tip 3/3Inquiry and Understanding The purpose is to explore inner structures to gain knowledge. By dissecting the flower, we learned about its reproductive system.