assembly

Etymology

From Middle English assemblee, from Anglo-Norman asemblee (Old French asemblee, French assemblée).

noun

1. A set of pieces that work together in unison as a mechanism or device.
   In order to change the bearing, you must first remove the gearbox assembly.
2. The act of putting together a set of pieces, fragments, or elements.
   instructions for assembly
   assembly line
   The bogies are built up of welded sub-units which are stress-relieved before assembly by riveting. 1961 October, “New Metropolitan Line train sets enter service”, in Trains Illustrated, page 622
3. A congregation of people in one place for a purpose.
   school assembly
   freedom of assembly
   In a word, they were made uſe of by the immediate ſucceſſors of the Apoſtles, and many of them read in the Public Aſſemblies of Chriſtians, as Canonical Scripture, without the leaſt mark of Diſtinction, in point of Autority[…] 1732, George Reynolds, A diſſertation: or, Inquiry Concerning the Canonical Autority of the Goſpel according to Mathew;[…], 2nd edition, page 4
4. (politics) A legislative body.
   the General Assembly of the United Nations
   New York State Assembly
5. (military) A beat of the drum or sound of the bugle as a signal to troops to assemble.
6. (computing) Ellipsis of assembly language.
7. (computing, Microsoft .NET) A building block of an application, similar to a DLL, but containing both executable code and information normally found in a DLL's type library. The type library information in an assembly, called a manifest, describes public functions, data, classes, and version information.