PUBLIC EDUCATION. 439

ent meaning is plainly required by the context shall have the following
meanings:

(1) "Retirement System" shall mean the Teachers' Retirement System
of the State of Maryland as defined in Section 93 of this Article.

(2) "Public School" shall mean any day school conducted within the
State under the authority and supervision of a duly appointed County
Board of Education and any educational institution supported by and
under the control of the State, such as the State Normal Schools, the
School for the Feeble-Minded, and the School for the Deaf.

(3) "Teacher" shall mean any teacher, helping teacher, principal, su-
pervisor or superintendent, attendance officer, or clerk employed in a pub-
lic day school within the State or in any State educational institution sup-
ported and controlled by the State. In all cases of doubt the Board of
Trustees hereinafter defined, shall determine whether any person is a
teacher as defined in this Article.

(4) "Member" shall mean any teacher included in the membership of
the system as provided in. Section 94 of this Article.

(5) "Board of Trustees" shall mean the Board provided for in Section
97 of this Article to administer the Retirement System.

(6) "Medical Board" shall mean the board of physicians provided for
in Section 97 of this Article.

(7) "Service" shall mean service as a teacher as described in Sub-sec-
tion (3) of this Section and paid for by the State of Maryland.

(8) "Prior Service" shall mean service rendered prior to the date of
establishment of the Retirement System for which credit is allowable under
Section 95 of this Article.

(9) "Membership Service" shall mean service as a teacher rendered
while a member of the Retirement System.

(10) "Creditable Service" shall mean "Prior Service" plus "Member-
ship Service" for which credit is allowable as provided in Section 95 of this
Article.

(11) "Beneficiary" shall mean any person in receipt of a pension, an
annuity, a retirement allowance or other benefit as provided by this sub-
title.

(12) "Regular Interest" shall mean interest at the rate of four per
centum per annum compounded annually.

(13) "Accumulated Contributions" shall mean the sum of all the
amounts deducted from the compensation of a member and credited to his
individual account in the Annuity Savings Fund together with regular
interest thereon as provided in Section 99 of this Article.

(14) "Earnable Compensation" shall mean the full rate of the compen-
sation that would be payable to a teacher if he worked the full normal
working time. In cases where compensation includes maintenance, the
Board of Trustees shall fix the value of that part of the compensation not
paid in money.