4Interpretation.
In this Act, unless the context otherwise requires—
the expression " agricultural holding " means a piece of land held by a tenant which is wholly or in part pastoral, and which is not let to the tenant during his continuance in any office, appointment, or employment held under the landlord;
the expression " arbiter " includes an oversman and any person required to determine the value or price of sheep stock in pursuance of any provision in the lease of an agricultural holding, and the expression " arbitration " shall be construed accordingly;
the expressions " lease," " landlord, " and " tenant, " have the like meaning as in the [13 & 14 Geo. 5. c. 10.] Agricultural Holdings (Scotland) Act, 1923.