Main Entry: ¹sec·tion

Pronunciation: \ˈsek-shən\

Function: noun

1 : the action or an instance of cutting or separating by cutting ; especially : the action of dividing (as tissues) surgically <nerve section> <abdominal section>—see cesarean section
2 : a natural subdivision of a taxonomic group
3 : a very thin slice (as of tissue) suitable for microscopic examination