(1):
(n.) Anything dissected; especially, some part, or the whole, of an animal or plant dissected so as to exhibit the structure; an anatomical so prepared.
(2):
(n.) The act of dissecting an animal or plant; as, dissection of the human body was held sacrilege till the time of Francis I.
(3):
(n.) Fig.: The act of separating or dividing for the purpose of critical examination.