1.a self-contained part of a larger composition (written or musical);
he always turns first to the business section
2.a very thin slice (of tissue or mineral or other substance) for examination under a microscope;
sections from the left ventricle showed diseased tissue
3.a distinct region or subdivision of a territorial or political area or community or group of people;
no section of the nation is more ardent than the South
4.one of several parts or pieces that fit with others to constitute a whole object;
a section of a fishing rod
5.a small team of policemen working as part of a police platoon
6.one of the portions into which something is regarded as divided and which together constitute a whole;
the written part of the exam
7.a land unit of 1 square mile measuring 1 mile on a side
8.(geometry) the area created by a plane cutting through a solid
9.a division of an orchestra containing all instruments of the same class
10. a small army unit usually having a special function
11. a specialized division of a large organization;
you'll find it in the hardware department
12. a segment of a citrus fruit;
he ate a section of the orange
13. the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
1.divide into segments;
segment an orange