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[uh-sem-blee] /əˈsɛm bli/
noun, plural assemblies.
an assembling or coming together of a number of persons, usually for a particular purpose:
The principal will speak to all the students at Friday's assembly.
a group of persons gathered together, usually for a particular purpose, whether religious, political, educational, or social.
(often initial capital letter) Government. a legislative body, especially the lower house of the legislature in certain states of the U.S.:
a bill before the assembly; the New York State Assembly.
  1. a signal, as by drum or bugle, for troops to fall into ranks or otherwise assemble.
  2. the movement of forces, tanks, soldiers, etc., scattered by battle or battle drill, toward and into a small area.
the putting together of complex machinery, as airplanes, from interchangeable parts of standard dimensions.
Machinery. a group of machine parts, especially one forming a self-contained, independently mounted unit.
Compare subassembly.
Origin of assembly
1275-1325; Middle English assemblee < Middle French, literally, (that which is) assembled, feminine past participle of assembler to assemble
Related forms
preassembly, noun, plural preassemblies.
reassembly, noun, plural reassemblies.
self-assembly, noun, plural self-assemblies.
Can be confused
assemblage, assembly.
1, 2. assemblage, gathering, congress, meeting. See convention. 2. throng. 3. congress, representatives. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for assembly
Contemporary Examples
Historical Examples
  • He invoked the spirit of his mother; he brought together an assembly of elves and goblins.

    Imogen William Godwin
  • He took off his cap, and bowed as gracefully as a dancing-master to the assembly.

    Four Young Explorers Oliver Optic
  • After the assembly had dispersed the Emperor retired to his private cabinet.

    The Intriguers William Le Queux
  • At the assembly I was quite ashamed of my head, for nobody had long hair.

  • The Paris proletariat were as jealous and suspicious of the assembly as the assembly of them.

British Dictionary definitions for assembly


noun (pl) -blies
a number of people gathered together, esp for a formal meeting held at regular intervals
the act of assembling or the state of being assembled
the process of putting together a number of parts to make a machine or other product
(machinery) a group of mating components before or after fitting together
  1. a signal for personnel to assemble, as by drum, bugle, etc
  2. (as modifier): an assembly area


noun (pl) -blies
the lower chamber in various American state legislatures See also House of Assembly, legislative assembly, National Assembly
(NZ) short for General Assembly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for assembly

c.1300, "a gathering of persons, a group gathered for some purpose," from Old French as(s)emblee "assembly, gathering; union, marriage," noun use of fem. past participle of assembler "to assemble" (see assemble). Meaning "gathering together" is recorded from early 15c.; that of "act of assembling parts or objects" is from 1914, as is assembly line. School sense is recorded from 1932.

Online Etymology Dictionary, © 2010 Douglas Harper
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assembly in Technology
An early system on the IBM 702.
[Listed in CACM 2(5):1959-05-16].
The Free On-line Dictionary of Computing, © Denis Howe 2010
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