/ əˈsembl; NAmE / verb
1.
to come together as a group; to bring people or things together as a group :
[ v ]
All the students were asked to assemble in the main hall.
She then addressed the assembled company (= all the people there) .
[ vn ]
to assemble evidence / data
The manager has assembled a world-class team.
2.
[ vn ] to fit together all the separate parts of sth, for example a piece of furniture :
The shelves are easy to assemble.
OPP disassemble ➡ note at build
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WORD ORIGIN
Middle English : from Old French asembler , based on Latin ad- to + simul together.