assembly

(noun) a group of machine parts that fit together to form a self-contained unit.

(noun) the act of constructing something (as a piece of machinery). Synonyms: fabrication.

(noun) a public facility to meet for open discussion. Synonyms: forum, meeting place.

(noun) a group of persons who are gathered together for a common purpose.

(noun) a unit consisting of components that have been fitted together.

(noun) the social act of assembling. Synonyms: assemblage, gathering. Examples: "They demanded the right of assembly."