the outer boundary of an artifact or a material layer constituting or resembling such a boundary
the extended two-dimensional outer boundary of a three-dimensional object
lessen the intensity of; temper; hold in restraint; hold or keep within limits
exercise authoritative control or power over
power to direct or determine
a relation of constraint of one entity (thing or person or group) by another
the outermost level of the land or sea
(physiology) regulation or maintenance of a function or action or reflex etc
a superficial aspect as opposed to the real nature of something
