assembleas‧sem‧ble /əˈsɛmbəl/ ●●○ AWL verb 1 [intransitive, transitive] if you assemble people or things, or if people assemble, they are brought together in the same place: A crowd had assembled in front of the White House.THESAURUSmeet, get together, gather, come together, congregate, convene► see thesaurus at meet12[transitive] to put the different parts of something together: You’ll need to assemble the grill yourself. [Origin: 1200–1300 Old French assembler, from Latin ad- “to” + simul “together”]THESAURUSbuild, construct, put up, erect► see thesaurus at build1