n. (pl. -ies) 1 the act or an instance of assembling or gathering together. 2 a a group of persons gathered together, esp. as a deliberative body or a legislative council. b a gathering of the entire members of a school. 3 the assembling of a machine or structure or its parts. 4 Mil. a call to assemble, given by drum or bugle. assembly language Computing the low-level symbolic code converted by an assembler. assembly line machinery arranged in stages by which a product is progressively assembled. assembly room (or shop) a place where a machine or its components are assembled. assembly rooms public rooms in which meetings or social functions are held.
[ ME f. OF asemblee fem. past part. of asembler: see ASSEMBLE ]