centre
noun
°The point on a line that is midway between the ends.
°The point in the interior of a circle that is equidistant from all points on the circumference of the circle.
verb
°To cause (an object) to occupy the centre of an area.
°To cause (some attribute, such as a mood or voltage) to be adjusted to a value which is midway between the extremes.
synonyms: midpoint, centroid, centre of gravity, centre of mass