section in WordNet English dictionary

1. a specialized division of a large organization
   "you'll find it in the hardware department"; "she got a job in the historical section of the Treasury"
   department  section 
   
2. a small class of students who are part of a larger course but are taught separately
   "a graduate student taught sections for the professor's lecture course"
   section  discussion section 
   
3. one of the portions into which something is regarded as divided and which together constitute a whole
   "the written part of the exam"; "the finance section of the company"; "the BBC's engineering division"
   part  section  division 
   
4. the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
   incision  section  surgical incision 
   
5. (geometry) the area created by a plane cutting through a solid
   section  plane section 
   
6. one of several parts or pieces that fit with others to constitute a whole object
   "a section of a fishing rod"; "metal sections were used below ground"; "finished the final segment of the road"
   section  segment 
   
7. a self-contained part of a larger composition (written or musical)
   "he always turns first to the business section"; "the history of this work is discussed in the next section"
   section  subdivision 
   
8. a segment of a citrus fruit
   "he ate a section of the orange"
   section 
   
9. a small army unit usually having a special function
   section 
   
10. a division of an orchestra containing all instruments of the same class
    section 
    
11. a small team of policemen working as part of a police platoon
    section 
    
12. 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"; "there are three synagogues in the Jewish section"
    section 
    
13. a very thin slice (of tissue or mineral or other substance) for examination under a microscope
    "sections from the left ventricle showed diseased tissue"
    section 
    
14. a land unit equal to 1 square mile
    section 
    

1. divide into segments
   "segment an orange"; "segment a compound word"
   segment  section