assembly in WordNet English dictionary

1. the social act of assembling
   "they demanded the right of assembly"
   assembly  assemblage  gathering 
   
2. the act of constructing something (as a piece of machinery)
   fabrication  assembly 
   
3. a group of machine parts that fit together to form a self-contained unit
   assembly 
   
4. a public facility to meet for open discussion
   forum  assembly  meeting place 
   
5. a unit consisting of components that have been fitted together
   assembly 
   
6. a group of persons who are gathered together for a common purpose
   assembly