What is Council?

Legal Definition
A council is a group of people who come together to consult, deliberate, or make decisions. A council may function as a legislature, especially at a town, city or county level, but most legislative bodies at the state or national level are not considered councils. At such levels, there may be no separate executive branch, and the council may effectively represent the entire government. A board of directors might also be denoted as a council. A committee might also be denoted as a council, though a committee is generally a subordinate body composed of members of a larger body, while a council may not be. Because many schools have a student council, the council is the form of governance with which many people are likely to have their first experience as electors or participants.

A member of a council may be referred to as a councillor or councilperson, or by the gender-specific titles of councilman and councilwoman.
-- Wikipedia
Legal Definition
Legislation. This word signifies an assembly.

2. It was used among the Romans to express the meeting of only a part of the people, and that the most respectable, in opposition to the assemblies of the whole people.

3. It is now usually applied to the legislative bodies of cities and boroughs.

4. In some states, as in Massacbusetts, a body of men called the council, are elected, whose duties are to advise the governor in the executive part of the government. Const. of Mass. part 2, c. 2, s. 3, art. 1 and 2. See 14 Mass. 470; 3 Pick. 517; 4 Pick. 25 19 John. R. 58. In England, the king's council are the king's judges of his courts of justice. 3 Inst. 125; 1 Bl. Com. 229.
-- Bouviers Law Dictionary
Legal Definition
An assembly of persons for the purpose of concerting measures of state or municipal policy; hence called "councillors." In American law. The legislative body in the government of cities or boroughs. An advisory body selected to aid the executive; particularly in the colonial period (and at present in some of the United States) a body appointed to advise and assist the governor in his executive or judicial capacities or both.
-- Black's Law Dictionary
Legal Definition
The title of the governing body of many cities.
-- Ballentine's Law Dictionary