present participle of square the circle

(philately) A cancellation mark consisting of an outer ring of concentric circles, cropped into a square shape.

(sports, boxing, wrestling, professional wrestling) The boxing or wrestling ring.

A wild party where the drug acid is taken.

(transitive) To travel completely around somewhere or something, especially by sail. / (transitive) To circumvent or bypass. / (intransitive, sailing) To sail around the world.

Attention to all the facts and circumstances of a case; consideration of all that is pertinent. / Caution, watchfulness, or vigilance fueled by such awareness.

(geometry) A circle of radius 1. / (trigonometry, the unit circle) The circle of radius 1 with centre at the origin, used in defining trigonometric functions.

(soccer) The circle in the centre of the pitch which, at kick-off, the defending team may not enter until the attacking side has touched the ball.

(baseball) The circle drawn or painted on the field where the next batter to hit waits.

(automotive, of a road vehicle) The circular path formed by the wheel furthest from the centre of the turn when turning to the maximum extent.