as·​sem·​bly | \ə-ˈsem-blē \
plural assemblies

Definition of assembly 

1 : a company of persons gathered for deliberation and legislation, worship, or entertainment an assembly of religious leaders

2 capitalized : a legislative body specifically : the lower house of a legislature

3 : a meeting of a student body and usually faculty for administrative, educational, or recreational purposes A school assembly was held in the auditorium.

4a : assemblage sense 1 an assembly of well-wishers

b : assemblage sense 2 a place of public assembly

5 : a signal for troops to assemble or fall in

6a : the fitting together of manufactured parts into a complete machine, structure, or unit of a machine the assembly of an automobile

b : a collection of parts so assembled

7 : the translation of assembly language to machine language by an assembler

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Examples of assembly in a Sentence

The parts are made in this factory and then shipped to another country for assembly. the New York State Assembly an assembly of armed men School assemblies were usually held in the cafeteria.
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Recent Examples on the Web

During the debate, assembly members expressed reservations about raising taxes on a fledgling industry that appeared to be covering its administrative costs. Laurel Andrews, Anchorage Daily News, "For third month in a row, Alaska marijuana tax tops $1 million," 4 July 2018 This is the 211th spacewalk devoted to station assembly and maintenance since construction began in 1998, the sixth so far this year, the ninth for Feustel and the fifth for Arnold. William Harwood, CBS News, "Space station astronauts take spacewalk to install cameras," 14 June 2018 One of the world’s biggest suppliers of assembly and fastening materials, Germany’s Würth Group, will not invest any more in the United States while President Donald Trump is in power, the patriarch of the Würth family has said. David Meyer, Fortune, "Germany's Billionaire 'Screw King' Tightens the Screws on the U.S.: No More Investment Until Trump Goes," 4 June 2018 But those districts that took a harder line didn’t pass up the opportunity to facilitate a teachable moment by allowing students to hold assemblies and voter registration drives. Michael Smolens,, "No question they're serious, but will the kids vote?," 25 Apr. 2018 Now the rocket segment is ready to roll via train to Cape Canaveral or Vandenberg Air Force Base for assembly and launch. Joe Pappalardo, Popular Mechanics, "Solid Rocket City: The Utah Space Center Fighting for Its Life," 4 Apr. 2018 The funds have allowed teachers to hold assemblies and musical and theatrical productions. Denise Coffey, Courant Community, "Killingly Teachers Receive FOLK Awards," 28 Mar. 2018 The latest peace talks ended with no deal, but the UN’s Libya envoy has spoken about holding a vote on a new constitution this year, followed by elections for an assembly and president., "To Settle East-West Feud, Libya's Chief Rivals Take It South," 25 Mar. 2018 The Lacuna is an assembly of sensates that are willing to help the main cluster. Rebecca Farley,, "Sense8 Series Finale Recap: Farewell, International Orgies!," 8 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'assembly.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of assembly

14th century, in the meaning defined at sense 1

History and Etymology for assembly

Middle English assemblee, from Anglo-French, from assembler — see assemble

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Statistics for assembly

Last Updated

7 Nov 2018

Look-up Popularity

Time Traveler for assembly

The first known use of assembly was in the 14th century

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More Definitions for assembly



English Language Learners Definition of assembly

: the act of connecting together the parts of something (such as a machine) : the act of assembling something

: a group of people who make and change laws for a government or organization

: a group of people who have gathered together


as·​sem·​bly | \ə-ˈsem-blē \
plural assemblies

Kids Definition of assembly

1 : a group of people gathered together an assembly of citizens a school assembly

2 capitalized : a group of people who make and change laws for a government or organization

3 : the act of gathering together The right of assembly is protected by the First Amendment to the United States Constitution.

4 : the act of connecting together the parts of This toy requires no assembly.

5 : a collection of parts that make up a complete unit Remove the rear wheel assembly.


plural assemblies

Legal Definition of assembly 

1a : a company of persons collected together in one place usually for some common purpose

b capitalized : a legislative body especially that makes up the lower house of a legislature — see also general assembly, legislative assembly

2 : the act of coming together : the condition of being assembled — see also unlawful assembly

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Comments on assembly

What made you want to look up assembly? Please tell us where you read or heard it (including the quote, if possible).


a private place of worship

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