The following words and phrases as used in sections 86.1310 to 86.1640 shall have the following meanings unless a different meaning is plainly required by the context:
(1) "Accumulated contributions" , the sum of all amounts deducted from the compensation of a member and paid to the retirement board, together with all amounts paid to the retirement board by a member or by a member's beneficiary for the purchase of prior service credits or any other purpose permitted under sections 86.1310 to 86.1640 , in all cases with interest, if any, thereon at a rate determined from time to time for such purpose by the retirement board;
(2) "Actuarial cost" , the present value of a future payment or series of payments as calculated by applying the actuarial assumptions established according to subsection 8 of section 86.1630 ;
(3) "Beneficiary" , any person entitled, either currently or conditionally, to receive pension or other benefits provided in sections 86.1310 to 86.1640 ;
(4) "Board of police commissioners" , the board composed of police commissioners authorized by law to employ and manage an organized police force in the cities;
(5) "City" or "cities" , any city which now has or may hereafter have a population of more than three hundred thousand and less than seven hundred thousand inhabitants, or any city that has made an election under section 86.1320 to continue a civilian employees' retirement system theretofore maintained under sections 86.1310 to 86.1640 ;
(6) "Compensation" , the basic wage or salary paid a member for any period, excluding bonuses, overtime pay, expense allowances, and other extraordinary compensation; except that, notwithstanding such provision, compensation for any year for any member shall not exceed the amount permitted to be taken into account under Section 401(a)(17) of the Internal Revenue Code as applicable to such year;
(7) "Consultant" , unless otherwise specifically defined, means a person retained by the retirement system as a special consultant on the problems of retirement, aging and related matters who, upon request of the retirement board, shall give opinions and be available to give opinions in writing or orally in response to such requests, as may be needed by the board;
(8) "Creditable service" , service qualifying as a determinant of a member's pension or other benefit under sections 86.1310 to 86.1640 by meeting the requirements specified in such sections, or section 105.691 ;
(9) "Employee" , any regularly appointed civilian employee of the police department of the city as specified in sections 86.1310 to 86.1640 who is:
(a) Appointed prior to August 28, 2011, and is not eligible to receive a pension from the police retirement system of said city;
(b) Appointed on or after August 28, 2011, and is not eligible to receive a pension from the police retirement system of such city or from any other retirement or pension system of such city;
(10) "Final compensation" :
(a) For a Tier I member as described in subdivision (13) of this section, the average annual compensation of a member during the member's service if less than two years, or the twenty-four months of service for which the member received the highest salary whether consecutive or otherwise;
(b) For a Tier II member as described in subdivision (13) of this section, the average annual compensation of a member during the member's service if less than three years, or the thirty-six months of service for which the member received the highest salary whether consecutive or otherwise;
(c) For any period of time when a member is paid on a frequency other than monthly, the member's salary for such period shall be deemed to be the monthly equivalent of the member's annual rate of compensation for such period;
(11) "Internal Revenue Code" , the United States Internal Revenue Code of 1986, as amended;
(12) "Medical board" , not less than one nor more than three physicians appointed by the retirement board to arrange for and conduct medical examinations as directed by the retirement board;
(13) "Member" , a member of the civilian employees' retirement system as described in section 86.1480 :
(a) "Tier I member" , any person who became a member prior to August 28, 2013, and who remains a member on August 28, 2013, shall remain a Tier I member until such member's membership is terminated as described in section 86.1520 ;
(b) "Tier I surviving spouse" , the surviving spouse of a Tier I member;
(c) "Tier II member" , any person who became a member on or after August 28, 2013;
(d) "Tier II surviving spouse" , the surviving spouse of a Tier II member;
(e) Any person whose membership is terminated as described in section 86.1520 and who reenters membership on or after August 28, 2013, shall become a member under paragraph (c) of this subdivision;
(14) "Pension" , annual payments for life, payable monthly, at the times described in section 86.1420 ;
(15) "Pension fund" , the fund resulting from contributions made thereto by the cities affected by sections 86.1310 to 86.1640 and by the members of the civilian employees' retirement system;
(16) "Retirement" , termination of a member's status as an employee of the police department of the city at a time when the member or the member's beneficiary is immediately entitled to one or more benefits under sections 86.1310 to 86.1640 ;
(17) "Retirement board" or "board" , the board provided in section 86.1330 to administer the retirement system;
(18) "Retirement system" , the civilian employees' retirement system of the police department of the cities as defined in section 86.1320 ;
(19) "Surviving spouse" , when determining whether a person is entitled to benefits under sections 86.1310 to 86.1640 by reason of surviving a member, shall include only:
(a) The person who was married to the member at the time of the member's death in service prior to August 28, 2001, and who had not remarried prior to August 28, 2001;
(b) The person who was married to the member at the time of the member's death in service on or after August 28, 2001;
(c) In the case of any member who both retired and died prior to August 28, 2001, the person who was married to the member at the time of the member's death and who had not remarried prior to August 28, 2001;
(d) In the case of any member who retired prior to August 28, 2001, and died on or after that date, the person who was married to the member at the time of the member's death; or
(e) In the case of any member who retired on or after August 28, 2001, the person who was married to the member at both the time of the member's retirement and the time of the member's death.