Definitions:

1. a distinct region or subdivision of a territorial or political area or community or group of people noun
   • no section of the nation is more ardent than the South
2. a segment of a citrus fruit noun
   • I ate a section of the orange.
3. a self-contained part of a larger composition noun
   • They always turn first to the business section.
4. a small class of students who are part of a larger course but are taught separately noun
   • a graduate student taught sections for the professor's lecture course
5. a very thin slice (of tissue or mineral or other substance) for examination under a microscope noun
   • sections from the left ventricle showed diseased tissue
6. one of several parts or pieces that fit with others to constitute a whole object noun
   • a section of a fishing rod

Synonyms:

• department
• discussion section
• division
• incision
• plane section
• segment
• subdivision

NearBy Words:

• sectional
• sectionalisation
• sectionalise
• sectionalism
• sectionalization
• sectionalize
• sectioned