The Collaborative International Dictionary of English v.0.48:
Assembly \As*sem"bly\, n.; pl. Assemblies. [F. assembl['e]e,
fr. assembler. See Assemble.]
1. A company of persons collected together in one place, and
usually for some common purpose, esp. for deliberation and
legislation, for worship, or for social entertainment.
2. A collection of inanimate objects. [Obs.] --Howell.
3. (Mil.) A beat of the drum or sound of the bugle as a
signal to troops to assemble.
Note: In some of the United States, the legislature, or the
popular branch of it, is called the Assembly, or the
General Assembly. In the Presbyterian Church, the
General Assembly is the highest ecclesiastical
tribunal, composed of ministers and ruling elders
delegated from each presbytery; as, the General
Assembly of the Presbyterian Church in the United
States, or of Scotland.
Assembly room, a room in which persons assemble, especially
Unlawful assembly (Law), a meeting of three or more persons
on a common plan, in such a way as to cause a reasonable
apprehension that they will disturb the peace
Westminster Assembly, a convocation, consisting chiefly of
divines, which, by act of Parliament, assembled July 1,
1643, and remained in session some years. It framed the
"Confession of Faith," the "Larger Catechism," and the
"Shorter Catechism," which are still received as authority
by Presbyterians, and are substantially accepted by
Syn: See Assemblage.