(40 ILCS 5/20-110) (from Ch. 108 1/2, par. 20-110)
    Sec. 20-110. Retirement annuity. "Retirement annuity": Any pension, retirement allowance, retirement annuity, disability pension, disability retirement allowance or disability retirement annuity, and an annuity payable on account of retirement for age, years of service or total and permanent disability.
(Source: Laws 1963, p. 161.)