section

a self-contained part of a larger composition (written or musical)

“he always turns first to the business section”

a division of an orchestra containing all instruments of the same class

a land unit equal to 1 square mile

a segment of a citrus fruit

“he ate a section of the orange”

a small army unit usually having a special function

a small team of policemen working as part of a police platoon

a very thin slice (of tissue or mineral or other substance) for examination under a microscope

“sections from the left ventricle showed diseased tissue”

a specialized division of a large organization

“she got a job in the historical section of the Treasury”

the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)

the area created by a plane cutting through a solid

one of the portions into which something is regarded as divided and which together constitute a whole

“the finance section of the company”