|Origin:||assembler, from Vulgar Latin assimulare, from Latin ad- 'to' + simul 'together'|
1 [intransitive and transitive]
if you assemble a large number of people or things, or if they assemble, they are gathered together in one place, often for a particular purpose:
A large crowd had assembled outside the American embassy.
He looked around at the assembled company (=all the people who had come there).
She had assembled a collection of her favourite songs.
to put all the parts of something together:
The aircraft will continue to be assembled in France.