midcircle noun 6adverb 1forms 1 noun6 •A circle that is in the middle.Play begins when the teacher bounces a basketball on the floor in the center of the midcircle. — 2012 •The great circle that is equidistant from two poles.But, though there is no perturbating motive force in the direction of the midcircle, there is nevertheless an accelerative one acting along it;[…]. — 1790 •A reference generalised circle through which two given circles are inverses of each other. •The middle of an act of circling.The upstart had stopped in midcircle and suddenly lunged at the veteran, and as he closed in, the veteran could smell both liquor and fear on his breath, which came in short, desperate gasps. — 2001 •The middle of a circle. •The circle (if one exists) that passes through the midpoint of each side of a given polygon, especially a triangle. adverb1 •In, at, or towards the middle of a circle.The goalkeeper who is initially positioned midcircle defends the goal. — 2005 formsmidcircles