Terms used in sections 7-452 to 7-459, inclusive, shall be construed as follows, unless another meaning is clearly apparent from the language or context:

(1) “Municipality” means any town, consolidated town and city, consolidated town and borough, borough, fire district, school district, district department of health, regional council of governments, probate district, housing authority, flood commission or authority established by special act or other municipal association created by special law or by general law or an instrumentality of any of these, if such instrumentality is a distinct juristic entity legally separate from any of the above and its employees are not, through this relation, employees of one of the above;

(2) “Commission” means the State Retirement Commission;

(3) “System” means the Old Age and Survivors Insurance System under Title II of the Social Security Act, as amended;

(4) “Legislative body”, unless otherwise provided by special act or by charter adopted under the provisions of chapter 99, as applied to unconsolidated towns, means the town meeting; as applied to cities and to consolidated towns and cities, means the board of aldermen, council or other body charged with the duty of making annual appropriations; as applied to boroughs and consolidated towns and boroughs, means the board of burgesses; as applied to fire districts, means the district meeting; as applied to district departments of health, means the district board; as applied to probate districts, means the judge of probate; as applied to regional councils of governments, means the council, and, in all other cases, means the body authorized by the general statutes or by special act to make bylaws or ordinances for the municipality;

(5) “Wages” means all remuneration for employment, including the cash value of all remuneration paid in any medium other than cash, except that the term shall not include that part of such remuneration which, even if it were paid for employment within the meaning of the federal Insurance Contributions Act, would not constitute wages within the meaning of that act;

(6) “Social Security Act” means that Act of Congress, approved August 14, 1935, chapter 531, 49 Stat. 620, officially cited as the Social Security Act, including regulations and requirements issued pursuant thereto, as such act has been and may from time to time be amended;

(7) “Federal Insurance Contributions Act” means Subchapter A of chapter 9 of the federal Internal Revenue Code of 1939 and Subchapters A and B of chapter 21 of the federal Internal Revenue Code of 1986, or any subsequent corresponding internal revenue code of the United States, as from time to time amended;

(8) “Secretary” means the Secretary of Health and Human Services of the United States and includes any individual to whom the Secretary has delegated any of his functions under the Social Security Act with respect to coverage under said act of employees of states and their political subdivisions; and

(9) “Employee” includes an officer of a municipality.