- ... operandi: method of working - The arrangement of, or mode of expressing, the terms of a
contract or conveyance. - A qualification involving the idea of variation or departure
from some general rule or form, in the way of either restriction or
enlargement, according to the circumstances of the case, as in the will
of a donor, an agreement between parties, and the like. - A fixed compensation or equivalent given instead of payment
of tithes in kind, expressed in full by the phrase modus decimandi.