/ əˈsembli; NAmE / noun ( pl. -ies )
1.
(also As·sem·bly ) [ C ] a group of people who have been elected to meet together regularly and make decisions or laws for a particular region or country :
State / legislative / federal / local assemblies
Power has been handed over to provincial and regional assemblies.
The national assembly has voted to adopt the budget.
the California Assembly
the UN General Assembly
2.
[ U , C ] the meeting together of a group of people for a particular purpose; a group of people who meet together for a particular purpose :
They were fighting for freedom of speech and freedom of assembly.
He was to address a public assembly on the issue.
an assembly point (= a place where people have been asked to meet)
3.
[ C , U ] a meeting of the teachers and students in a school, usually at the start of the day, to give information, discuss school events or say prayers together
4.
[ U ] the process of putting together the parts of sth such as a vehicle or piece of furniture :
Putting the bookcase together should be a simple assembly job.
a car assembly plant
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WORD ORIGIN
Middle English : from Old French asemblee , feminine past participle of asembler , based on Latin ad- to + simul together.